Home / 6,438,549,511.20-9,657,824,266.80-2,298,128,109.60

Finding the Fourth Proportional to 6,438,549,511.20, 9,657,824,266.80 and 2,298,128,109.60

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Solution

The fourth proportional to 6,438,549,511.20, 9,657,824,266.80 and 2,298,128,109.60 is: 3,447,192,164.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438,549,511.20 : 9,657,824,266.80 = 2,298,128,109.60 : x
  2. Step 2: Convert to fraction form
    6,438,549,511.20/9,657,824,266.80 = 2,298,128,109.60/x
  3. Step 3: Cross multiply
    6,438,549,511.20x = 9,657,824,266.80 × 2,298,128,109.60
  4. Step 4: Simplify right side
    6,438,549,511.20x = 22,194,917,425,110,085,632
  5. Step 5: Solve for x
    x = 22,194,917,425,110,085,632/6,438,549,511.20
  6. Step 6: Final answer
    x = 3,447,192,164.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.