Home / 484,560,915.80-726,841,373.70-291,069,152.60

Finding the Fourth Proportional to 484,560,915.80, 726,841,373.70 and 291,069,152.60

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Solution

The fourth proportional to 484,560,915.80, 726,841,373.70 and 291,069,152.60 is: 436,603,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,560,915.80 : 726,841,373.70 = 291,069,152.60 : x
  2. Step 2: Convert to fraction form
    484,560,915.80/726,841,373.70 = 291,069,152.60/x
  3. Step 3: Cross multiply
    484,560,915.80x = 726,841,373.70 × 291,069,152.60
  4. Step 4: Simplify right side
    484,560,915.80x = 211,561,102,717,478,944
  5. Step 5: Solve for x
    x = 211,561,102,717,478,944/484,560,915.80
  6. Step 6: Final answer
    x = 436,603,728.90

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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.