Home / 500,368,916.84-750,569,170.86-172,863,086.18

Finding the Fourth Proportional to 500,368,916.84, 750,569,170.86 and 172,863,086.18

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Solution

The fourth proportional to 500,368,916.84, 750,569,170.86 and 172,863,086.18 is: 259,300,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,368,916.84 : 750,569,170.86 = 172,863,086.18 : x
  2. Step 2: Convert to fraction form
    500,368,916.84/750,569,170.86 = 172,863,086.18/x
  3. Step 3: Cross multiply
    500,368,916.84x = 750,569,170.86 × 172,863,086.18
  4. Step 4: Simplify right side
    500,368,916.84x = 129,745,703,262,670,496
  5. Step 5: Solve for x
    x = 129,745,703,262,670,496/500,368,916.84
  6. Step 6: Final answer
    x = 259,300,086.19

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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.