Home / 911,999,012,864.05-1,258,594,923,737-500,482,218,178.60

Finding the Fourth Proportional to 911,999,012,864.05, 1,258,594,923,737 and 500,482,218,178.60

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Solution

The fourth proportional to 911,999,012,864.05, 1,258,594,923,737 and 500,482,218,178.60 is: 690,685,373,926.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,999,012,864.05 : 1,258,594,923,737 = 500,482,218,178.60 : x
  2. Step 2: Convert to fraction form
    911,999,012,864.05/1,258,594,923,737 = 500,482,218,178.60/x
  3. Step 3: Cross multiply
    911,999,012,864.05x = 1,258,594,923,737 × 500,482,218,178.60
  4. Step 4: Simplify right side
    911,999,012,864.05x = 629,904,379,220,219,580,645,376
  5. Step 5: Solve for x
    x = 629,904,379,220,219,580,645,376/911,999,012,864.05
  6. Step 6: Final answer
    x = 690,685,373,926.08

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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.