Home / 443,071,537.40-664,607,306.10-213,489,025.40

Finding the Fourth Proportional to 443,071,537.40, 664,607,306.10 and 213,489,025.40

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Solution

The fourth proportional to 443,071,537.40, 664,607,306.10 and 213,489,025.40 is: 320,233,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,071,537.40 : 664,607,306.10 = 213,489,025.40 : x
  2. Step 2: Convert to fraction form
    443,071,537.40/664,607,306.10 = 213,489,025.40/x
  3. Step 3: Cross multiply
    443,071,537.40x = 664,607,306.10 × 213,489,025.40
  4. Step 4: Simplify right side
    443,071,537.40x = 141,886,366,053,008,480
  5. Step 5: Solve for x
    x = 141,886,366,053,008,480/443,071,537.40
  6. Step 6: Final answer
    x = 320,233,538.10

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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.