Home / 603,812,402.74-905,569,013.28-258,726,897.46

Finding the Fourth Proportional to 603,812,402.74, 905,569,013.28 and 258,726,897.46

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Solution

The fourth proportional to 603,812,402.74, 905,569,013.28 and 258,726,897.46 is: 388,026,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,812,402.74 : 905,569,013.28 = 258,726,897.46 : x
  2. Step 2: Convert to fraction form
    603,812,402.74/905,569,013.28 = 258,726,897.46/x
  3. Step 3: Cross multiply
    603,812,402.74x = 905,569,013.28 × 258,726,897.46
  4. Step 4: Simplify right side
    603,812,402.74x = 234,295,061,240,554,272
  5. Step 5: Solve for x
    x = 234,295,061,240,554,272/603,812,402.74
  6. Step 6: Final answer
    x = 388,026,248.18

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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.