Home / 689,562,097.40-1,034,847,030.90-485,488,753.40

Finding the Fourth Proportional to 689,562,097.40, 1,034,847,030.90 and 485,488,753.40

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Solution

The fourth proportional to 689,562,097.40, 1,034,847,030.90 and 485,488,753.40 is: 728,587,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,562,097.40 : 1,034,847,030.90 = 485,488,753.40 : x
  2. Step 2: Convert to fraction form
    689,562,097.40/1,034,847,030.90 = 485,488,753.40/x
  3. Step 3: Cross multiply
    689,562,097.40x = 1,034,847,030.90 × 485,488,753.40
  4. Step 4: Simplify right side
    689,562,097.40x = 502,406,594,991,332,224
  5. Step 5: Solve for x
    x = 502,406,594,991,332,224/689,562,097.40
  6. Step 6: Final answer
    x = 728,587,892.06

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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.