Home / 424,447,139.27-637,244,836.45-292,962,511.84

Finding the Fourth Proportional to 424,447,139.27, 637,244,836.45 and 292,962,511.84

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Solution

The fourth proportional to 424,447,139.27, 637,244,836.45 and 292,962,511.84 is: 439,840,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,447,139.27 : 637,244,836.45 = 292,962,511.84 : x
  2. Step 2: Convert to fraction form
    424,447,139.27/637,244,836.45 = 292,962,511.84/x
  3. Step 3: Cross multiply
    424,447,139.27x = 637,244,836.45 × 292,962,511.84
  4. Step 4: Simplify right side
    424,447,139.27x = 186,688,847,944,885,056
  5. Step 5: Solve for x
    x = 186,688,847,944,885,056/424,447,139.27
  6. Step 6: Final answer
    x = 439,840,042.90

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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.