Home / 457,266,837.87-630,982,705.14-258,988,759.56

Finding the Fourth Proportional to 457,266,837.87, 630,982,705.14 and 258,988,759.56

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Solution

The fourth proportional to 457,266,837.87, 630,982,705.14 and 258,988,759.56 is: 357,378,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,266,837.87 : 630,982,705.14 = 258,988,759.56 : x
  2. Step 2: Convert to fraction form
    457,266,837.87/630,982,705.14 = 258,988,759.56/x
  3. Step 3: Cross multiply
    457,266,837.87x = 630,982,705.14 × 258,988,759.56
  4. Step 4: Simplify right side
    457,266,837.87x = 163,417,428,108,021,824
  5. Step 5: Solve for x
    x = 163,417,428,108,021,824/457,266,837.87
  6. Step 6: Final answer
    x = 357,378,700.08

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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.