Home / 486,397,743.48-729,719,800.02-141,343,964.28

Finding the Fourth Proportional to 486,397,743.48, 729,719,800.02 and 141,343,964.28

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Solution

The fourth proportional to 486,397,743.48, 729,719,800.02 and 141,343,964.28 is: 212,051,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,397,743.48 : 729,719,800.02 = 141,343,964.28 : x
  2. Step 2: Convert to fraction form
    486,397,743.48/729,719,800.02 = 141,343,964.28/x
  3. Step 3: Cross multiply
    486,397,743.48x = 729,719,800.02 × 141,343,964.28
  4. Step 4: Simplify right side
    486,397,743.48x = 103,141,489,348,435,616
  5. Step 5: Solve for x
    x = 103,141,489,348,435,616/486,397,743.48
  6. Step 6: Final answer
    x = 212,051,743.11

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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.