Home / 1,065,157,989.66-1,469,790,722.52-588,784,008.12

Finding the Fourth Proportional to 1,065,157,989.66, 1,469,790,722.52 and 588,784,008.12

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Solution

The fourth proportional to 1,065,157,989.66, 1,469,790,722.52 and 588,784,008.12 is: 812,451,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,157,989.66 : 1,469,790,722.52 = 588,784,008.12 : x
  2. Step 2: Convert to fraction form
    1,065,157,989.66/1,469,790,722.52 = 588,784,008.12/x
  3. Step 3: Cross multiply
    1,065,157,989.66x = 1,469,790,722.52 × 588,784,008.12
  4. Step 4: Simplify right side
    1,065,157,989.66x = 865,389,272,702,916,352
  5. Step 5: Solve for x
    x = 865,389,272,702,916,352/1,065,157,989.66
  6. Step 6: Final answer
    x = 812,451,562.21

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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.