Home / 376,486,667.70-564,730,001.55-172,413,323.70

Finding the Fourth Proportional to 376,486,667.70, 564,730,001.55 and 172,413,323.70

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Solution

The fourth proportional to 376,486,667.70, 564,730,001.55 and 172,413,323.70 is: 258,619,985.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,486,667.70 : 564,730,001.55 = 172,413,323.70 : x
  2. Step 2: Convert to fraction form
    376,486,667.70/564,730,001.55 = 172,413,323.70/x
  3. Step 3: Cross multiply
    376,486,667.70x = 564,730,001.55 × 172,413,323.70
  4. Step 4: Simplify right side
    376,486,667.70x = 97,366,976,560,341,632
  5. Step 5: Solve for x
    x = 97,366,976,560,341,632/376,486,667.70
  6. Step 6: Final answer
    x = 258,619,985.55

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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.