Home / 488,851,564.88-674,601,706.86-268,834,990.88

Finding the Fourth Proportional to 488,851,564.88, 674,601,706.86 and 268,834,990.88

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Solution

The fourth proportional to 488,851,564.88, 674,601,706.86 and 268,834,990.88 is: 370,984,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,851,564.88 : 674,601,706.86 = 268,834,990.88 : x
  2. Step 2: Convert to fraction form
    488,851,564.88/674,601,706.86 = 268,834,990.88/x
  3. Step 3: Cross multiply
    488,851,564.88x = 674,601,706.86 × 268,834,990.88
  4. Step 4: Simplify right side
    488,851,564.88x = 181,356,543,711,340,544
  5. Step 5: Solve for x
    x = 181,356,543,711,340,544/488,851,564.88
  6. Step 6: Final answer
    x = 370,984,889.36

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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.