Home / 1,321,865,584.96-1,982,377,710.04-436,386,073.94

Finding the Fourth Proportional to 1,321,865,584.96, 1,982,377,710.04 and 436,386,073.94

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Solution

The fourth proportional to 1,321,865,584.96, 1,982,377,710.04 and 436,386,073.94 is: 654,440,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,865,584.96 : 1,982,377,710.04 = 436,386,073.94 : x
  2. Step 2: Convert to fraction form
    1,321,865,584.96/1,982,377,710.04 = 436,386,073.94/x
  3. Step 3: Cross multiply
    1,321,865,584.96x = 1,982,377,710.04 × 436,386,073.94
  4. Step 4: Simplify right side
    1,321,865,584.96x = 865,082,025,950,523,264
  5. Step 5: Solve for x
    x = 865,082,025,950,523,264/1,321,865,584.96
  6. Step 6: Final answer
    x = 654,440,236.43

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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.