Home / 406,061,946.48-560,366,197.02-220,423,087.92

Finding the Fourth Proportional to 406,061,946.48, 560,366,197.02 and 220,423,087.92

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Solution

The fourth proportional to 406,061,946.48, 560,366,197.02 and 220,423,087.92 is: 304,184,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,061,946.48 : 560,366,197.02 = 220,423,087.92 : x
  2. Step 2: Convert to fraction form
    406,061,946.48/560,366,197.02 = 220,423,087.92/x
  3. Step 3: Cross multiply
    406,061,946.48x = 560,366,197.02 × 220,423,087.92
  4. Step 4: Simplify right side
    406,061,946.48x = 123,517,647,513,135,488
  5. Step 5: Solve for x
    x = 123,517,647,513,135,488/406,061,946.48
  6. Step 6: Final answer
    x = 304,184,247.22

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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.