Home / 702,039,489.60-1,053,059,234.40-339,242,433.60

Finding the Fourth Proportional to 702,039,489.60, 1,053,059,234.40 and 339,242,433.60

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Solution

The fourth proportional to 702,039,489.60, 1,053,059,234.40 and 339,242,433.60 is: 508,863,650.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,039,489.60 : 1,053,059,234.40 = 339,242,433.60 : x
  2. Step 2: Convert to fraction form
    702,039,489.60/1,053,059,234.40 = 339,242,433.60/x
  3. Step 3: Cross multiply
    702,039,489.60x = 1,053,059,234.40 × 339,242,433.60
  4. Step 4: Simplify right side
    702,039,489.60x = 357,242,377,402,808,832
  5. Step 5: Solve for x
    x = 357,242,377,402,808,832/702,039,489.60
  6. Step 6: Final answer
    x = 508,863,650.40

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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.