Home / 612,869,360.80-919,304,041.20-491,937,008.80

Finding the Fourth Proportional to 612,869,360.80, 919,304,041.20 and 491,937,008.80

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Solution

The fourth proportional to 612,869,360.80, 919,304,041.20 and 491,937,008.80 is: 737,905,513.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,869,360.80 : 919,304,041.20 = 491,937,008.80 : x
  2. Step 2: Convert to fraction form
    612,869,360.80/919,304,041.20 = 491,937,008.80/x
  3. Step 3: Cross multiply
    612,869,360.80x = 919,304,041.20 × 491,937,008.80
  4. Step 4: Simplify right side
    612,869,360.80x = 452,239,680,205,680,000
  5. Step 5: Solve for x
    x = 452,239,680,205,680,000/612,869,360.80
  6. Step 6: Final answer
    x = 737,905,513.20

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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.