Home / 476,656,538.56-657,841,133.60-278,467,575.04

Finding the Fourth Proportional to 476,656,538.56, 657,841,133.60 and 278,467,575.04

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Solution

The fourth proportional to 476,656,538.56, 657,841,133.60 and 278,467,575.04 is: 384,317,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,656,538.56 : 657,841,133.60 = 278,467,575.04 : x
  2. Step 2: Convert to fraction form
    476,656,538.56/657,841,133.60 = 278,467,575.04/x
  3. Step 3: Cross multiply
    476,656,538.56x = 657,841,133.60 × 278,467,575.04
  4. Step 4: Simplify right side
    476,656,538.56x = 183,187,425,235,156,672
  5. Step 5: Solve for x
    x = 183,187,425,235,156,672/476,656,538.56
  6. Step 6: Final answer
    x = 384,317,449.60

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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.