Home / 709,241,330.80-1,063,861,996.20-382,723,980.40

Finding the Fourth Proportional to 709,241,330.80, 1,063,861,996.20 and 382,723,980.40

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Solution

The fourth proportional to 709,241,330.80, 1,063,861,996.20 and 382,723,980.40 is: 574,085,970.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,241,330.80 : 1,063,861,996.20 = 382,723,980.40 : x
  2. Step 2: Convert to fraction form
    709,241,330.80/1,063,861,996.20 = 382,723,980.40/x
  3. Step 3: Cross multiply
    709,241,330.80x = 1,063,861,996.20 × 382,723,980.40
  4. Step 4: Simplify right side
    709,241,330.80x = 407,165,497,781,953,664
  5. Step 5: Solve for x
    x = 407,165,497,781,953,664/709,241,330.80
  6. Step 6: Final answer
    x = 574,085,970.60

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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.