Home / 429,005,266.60-643,773,839.10-224,679,980.20

Finding the Fourth Proportional to 429,005,266.60, 643,773,839.10 and 224,679,980.20

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Solution

The fourth proportional to 429,005,266.60, 643,773,839.10 and 224,679,980.20 is: 337,159,248.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,005,266.60 : 643,773,839.10 = 224,679,980.20 : x
  2. Step 2: Convert to fraction form
    429,005,266.60/643,773,839.10 = 224,679,980.20/x
  3. Step 3: Cross multiply
    429,005,266.60x = 643,773,839.10 × 224,679,980.20
  4. Step 4: Simplify right side
    429,005,266.60x = 144,643,093,422,265,984
  5. Step 5: Solve for x
    x = 144,643,093,422,265,984/429,005,266.60
  6. Step 6: Final answer
    x = 337,159,248.81

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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.