Home / 612,869,363.80-919,304,045.70-491,937,011.80

Finding the Fourth Proportional to 612,869,363.80, 919,304,045.70 and 491,937,011.80

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Solution

The fourth proportional to 612,869,363.80, 919,304,045.70 and 491,937,011.80 is: 737,905,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,869,363.80 : 919,304,045.70 = 491,937,011.80 : x
  2. Step 2: Convert to fraction form
    612,869,363.80/919,304,045.70 = 491,937,011.80/x
  3. Step 3: Cross multiply
    612,869,363.80x = 919,304,045.70 × 491,937,011.80
  4. Step 4: Simplify right side
    612,869,363.80x = 452,239,685,177,308,672
  5. Step 5: Solve for x
    x = 452,239,685,177,308,672/612,869,363.80
  6. Step 6: Final answer
    x = 737,905,517.70

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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.