Home / 440,397,889.12-607,766,597.76-242,175,635.20

Finding the Fourth Proportional to 440,397,889.12, 607,766,597.76 and 242,175,635.20

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Solution

The fourth proportional to 440,397,889.12, 607,766,597.76 and 242,175,635.20 is: 334,212,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,397,889.12 : 607,766,597.76 = 242,175,635.20 : x
  2. Step 2: Convert to fraction form
    440,397,889.12/607,766,597.76 = 242,175,635.20/x
  3. Step 3: Cross multiply
    440,397,889.12x = 607,766,597.76 × 242,175,635.20
  4. Step 4: Simplify right side
    440,397,889.12x = 147,186,261,865,870,880
  5. Step 5: Solve for x
    x = 147,186,261,865,870,880/440,397,889.12
  6. Step 6: Final answer
    x = 334,212,005.78

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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.