Home / 517,466,266.20-776,199,399.30-425,633,261.40

Finding the Fourth Proportional to 517,466,266.20, 776,199,399.30 and 425,633,261.40

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Solution

The fourth proportional to 517,466,266.20, 776,199,399.30 and 425,633,261.40 is: 638,449,892.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,466,266.20 : 776,199,399.30 = 425,633,261.40 : x
  2. Step 2: Convert to fraction form
    517,466,266.20/776,199,399.30 = 425,633,261.40/x
  3. Step 3: Cross multiply
    517,466,266.20x = 776,199,399.30 × 425,633,261.40
  4. Step 4: Simplify right side
    517,466,266.20x = 330,376,281,820,779,840
  5. Step 5: Solve for x
    x = 330,376,281,820,779,840/517,466,266.20
  6. Step 6: Final answer
    x = 638,449,892.10

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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.