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Finding the Fourth Proportional to 453,659,796.64, 679,494,192 and 375,045,732.64

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Solution

The fourth proportional to 453,659,796.64, 679,494,192 and 375,045,732.64 is: 561,745,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,659,796.64 : 679,494,192 = 375,045,732.64 : x
  2. Step 2: Convert to fraction form
    453,659,796.64/679,494,192 = 375,045,732.64/x
  3. Step 3: Cross multiply
    453,659,796.64x = 679,494,192 × 375,045,732.64
  4. Step 4: Simplify right side
    453,659,796.64x = 254,841,397,063,264,832
  5. Step 5: Solve for x
    x = 254,841,397,063,264,832/453,659,796.64
  6. Step 6: Final answer
    x = 561,745,605.30

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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.