Home / 669,898,394.20-1,004,847,591.30-616,329,141.40

Finding the Fourth Proportional to 669,898,394.20, 1,004,847,591.30 and 616,329,141.40

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Solution

The fourth proportional to 669,898,394.20, 1,004,847,591.30 and 616,329,141.40 is: 924,493,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,898,394.20 : 1,004,847,591.30 = 616,329,141.40 : x
  2. Step 2: Convert to fraction form
    669,898,394.20/1,004,847,591.30 = 616,329,141.40/x
  3. Step 3: Cross multiply
    669,898,394.20x = 1,004,847,591.30 × 616,329,141.40
  4. Step 4: Simplify right side
    669,898,394.20x = 619,316,853,183,787,008
  5. Step 5: Solve for x
    x = 619,316,853,183,787,008/669,898,394.20
  6. Step 6: Final answer
    x = 924,493,712.10

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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.