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Finding the Fourth Proportional to 650,636,373.65, 897,878,195.62 and 372,177,897.17

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Solution

The fourth proportional to 650,636,373.65, 897,878,195.62 and 372,177,897.17 is: 513,605,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,636,373.65 : 897,878,195.62 = 372,177,897.17 : x
  2. Step 2: Convert to fraction form
    650,636,373.65/897,878,195.62 = 372,177,897.17/x
  3. Step 3: Cross multiply
    650,636,373.65x = 897,878,195.62 × 372,177,897.17
  4. Step 4: Simplify right side
    650,636,373.65x = 334,170,418,755,225,664
  5. Step 5: Solve for x
    x = 334,170,418,755,225,664/650,636,373.65
  6. Step 6: Final answer
    x = 513,605,498.08

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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.