Home / 911,999,012,864.45-1,258,594,923,737.90-500,482,218,179.05

Finding the Fourth Proportional to 911,999,012,864.45, 1,258,594,923,737.90 and 500,482,218,179.05

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Solution

The fourth proportional to 911,999,012,864.45, 1,258,594,923,737.90 and 500,482,218,179.05 is: 690,685,373,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,999,012,864.45 : 1,258,594,923,737.90 = 500,482,218,179.05 : x
  2. Step 2: Convert to fraction form
    911,999,012,864.45/1,258,594,923,737.90 = 500,482,218,179.05/x
  3. Step 3: Cross multiply
    911,999,012,864.45x = 1,258,594,923,737.90 × 500,482,218,179.05
  4. Step 4: Simplify right side
    911,999,012,864.45x = 629,904,379,221,236,414,152,704
  5. Step 5: Solve for x
    x = 629,904,379,221,236,414,152,704/911,999,012,864.45
  6. Step 6: Final answer
    x = 690,685,373,926.89

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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.