Home / 489,904,320.60-733,848,711.30-247,703,693.40

Finding the Fourth Proportional to 489,904,320.60, 733,848,711.30 and 247,703,693.40

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Solution

The fourth proportional to 489,904,320.60, 733,848,711.30 and 247,703,693.40 is: 371,045,995.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,904,320.60 : 733,848,711.30 = 247,703,693.40 : x
  2. Step 2: Convert to fraction form
    489,904,320.60/733,848,711.30 = 247,703,693.40/x
  3. Step 3: Cross multiply
    489,904,320.60x = 733,848,711.30 × 247,703,693.40
  4. Step 4: Simplify right side
    489,904,320.60x = 181,777,036,185,840,320
  5. Step 5: Solve for x
    x = 181,777,036,185,840,320/489,904,320.60
  6. Step 6: Final answer
    x = 371,045,995.19

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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.