Home / 605,601,689.53-908,564,022.06-217,427,882.90

Finding the Fourth Proportional to 605,601,689.53, 908,564,022.06 and 217,427,882.90

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Solution

The fourth proportional to 605,601,689.53, 908,564,022.06 and 217,427,882.90 is: 326,199,802.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,601,689.53 : 908,564,022.06 = 217,427,882.90 : x
  2. Step 2: Convert to fraction form
    605,601,689.53/908,564,022.06 = 217,427,882.90/x
  3. Step 3: Cross multiply
    605,601,689.53x = 908,564,022.06 × 217,427,882.90
  4. Step 4: Simplify right side
    605,601,689.53x = 197,547,151,795,614,688
  5. Step 5: Solve for x
    x = 197,547,151,795,614,688/605,601,689.53
  6. Step 6: Final answer
    x = 326,199,802.96

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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.