Home / 668,800,423.92-922,955,990.76-367,398,441.12

Finding the Fourth Proportional to 668,800,423.92, 922,955,990.76 and 367,398,441.12

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Solution

The fourth proportional to 668,800,423.92, 922,955,990.76 and 367,398,441.12 is: 507,016,114.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,800,423.92 : 922,955,990.76 = 367,398,441.12 : x
  2. Step 2: Convert to fraction form
    668,800,423.92/922,955,990.76 = 367,398,441.12/x
  3. Step 3: Cross multiply
    668,800,423.92x = 922,955,990.76 × 367,398,441.12
  4. Step 4: Simplify right side
    668,800,423.92x = 339,092,592,227,589,120
  5. Step 5: Solve for x
    x = 339,092,592,227,589,120/668,800,423.92
  6. Step 6: Final answer
    x = 507,016,114.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.