Home / 625,344,307.72-938,060,157.85-256,897,837.06

Finding the Fourth Proportional to 625,344,307.72, 938,060,157.85 and 256,897,837.06

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Solution

The fourth proportional to 625,344,307.72, 938,060,157.85 and 256,897,837.06 is: 385,364,706.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,344,307.72 : 938,060,157.85 = 256,897,837.06 : x
  2. Step 2: Convert to fraction form
    625,344,307.72/938,060,157.85 = 256,897,837.06/x
  3. Step 3: Cross multiply
    625,344,307.72x = 938,060,157.85 × 256,897,837.06
  4. Step 4: Simplify right side
    625,344,307.72x = 240,985,625,580,839,776
  5. Step 5: Solve for x
    x = 240,985,625,580,839,776/625,344,307.72
  6. Step 6: Final answer
    x = 385,364,706.46

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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.