Home / 489,904,363.90-734,856,545.85-368,972,011.90

Finding the Fourth Proportional to 489,904,363.90, 734,856,545.85 and 368,972,011.90

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Solution

The fourth proportional to 489,904,363.90, 734,856,545.85 and 368,972,011.90 is: 553,458,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,363.90 : 734,856,545.85 = 368,972,011.90 : x
  2. Step 2: Convert to fraction form
    489,904,363.90/734,856,545.85 = 368,972,011.90/x
  3. Step 3: Cross multiply
    489,904,363.90x = 734,856,545.85 × 368,972,011.90
  4. Step 4: Simplify right side
    489,904,363.90x = 271,141,498,180,159,072
  5. Step 5: Solve for x
    x = 271,141,498,180,159,072/489,904,363.90
  6. Step 6: Final answer
    x = 553,458,017.85

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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.