Home / 3,211,407,060.21-4,433,298,866.10-2,153,748,141.09

Finding the Fourth Proportional to 3,211,407,060.21, 4,433,298,866.10 and 2,153,748,141.09

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Solution

The fourth proportional to 3,211,407,060.21, 4,433,298,866.10 and 2,153,748,141.09 is: 2,973,216,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,407,060.21 : 4,433,298,866.10 = 2,153,748,141.09 : x
  2. Step 2: Convert to fraction form
    3,211,407,060.21/4,433,298,866.10 = 2,153,748,141.09/x
  3. Step 3: Cross multiply
    3,211,407,060.21x = 4,433,298,866.10 × 2,153,748,141.09
  4. Step 4: Simplify right side
    3,211,407,060.21x = 9,548,209,191,759,282,176
  5. Step 5: Solve for x
    x = 9,548,209,191,759,282,176/3,211,407,060.21
  6. Step 6: Final answer
    x = 2,973,216,727.98

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Half scale
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Double scale
Find fourth proportional to 3,211,407,061.21, 4,433,298,867.48 and 2,153,748,142.09
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.