Home / 4,759,774,709.40-7,139,662,064.10-4,242,788,904.60

Finding the Fourth Proportional to 4,759,774,709.40, 7,139,662,064.10 and 4,242,788,904.60

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Solution

The fourth proportional to 4,759,774,709.40, 7,139,662,064.10 and 4,242,788,904.60 is: 6,364,183,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,774,709.40 : 7,139,662,064.10 = 4,242,788,904.60 : x
  2. Step 2: Convert to fraction form
    4,759,774,709.40/7,139,662,064.10 = 4,242,788,904.60/x
  3. Step 3: Cross multiply
    4,759,774,709.40x = 7,139,662,064.10 × 4,242,788,904.60
  4. Step 4: Simplify right side
    4,759,774,709.40x = 30,292,078,988,157,014,016
  5. Step 5: Solve for x
    x = 30,292,078,988,157,014,016/4,759,774,709.40
  6. Step 6: Final answer
    x = 6,364,183,356.90

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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.