Home / 403,711,376.10-605,850,499.35-173,845,428.90

Finding the Fourth Proportional to 403,711,376.10, 605,850,499.35 and 173,845,428.90

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Solution

The fourth proportional to 403,711,376.10, 605,850,499.35 and 173,845,428.90 is: 260,890,195.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,711,376.10 : 605,850,499.35 = 173,845,428.90 : x
  2. Step 2: Convert to fraction form
    403,711,376.10/605,850,499.35 = 173,845,428.90/x
  3. Step 3: Cross multiply
    403,711,376.10x = 605,850,499.35 × 173,845,428.90
  4. Step 4: Simplify right side
    403,711,376.10x = 105,324,339,908,779,936
  5. Step 5: Solve for x
    x = 105,324,339,908,779,936/403,711,376.10
  6. Step 6: Final answer
    x = 260,890,195.68

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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.