Home / 745,996,154.40-1,120,002,001.20-473,898,362.40

Finding the Fourth Proportional to 745,996,154.40, 1,120,002,001.20 and 473,898,362.40

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Solution

The fourth proportional to 745,996,154.40, 1,120,002,001.20 and 473,898,362.40 is: 711,487,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,996,154.40 : 1,120,002,001.20 = 473,898,362.40 : x
  2. Step 2: Convert to fraction form
    745,996,154.40/1,120,002,001.20 = 473,898,362.40/x
  3. Step 3: Cross multiply
    745,996,154.40x = 1,120,002,001.20 × 473,898,362.40
  4. Step 4: Simplify right side
    745,996,154.40x = 530,767,114,253,402,816
  5. Step 5: Solve for x
    x = 530,767,114,253,402,816/745,996,154.40
  6. Step 6: Final answer
    x = 711,487,735.05

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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.