Home / 513,096,618.30-769,637,710.35-124,920,302.10

Finding the Fourth Proportional to 513,096,618.30, 769,637,710.35 and 124,920,302.10

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Solution

The fourth proportional to 513,096,618.30, 769,637,710.35 and 124,920,302.10 is: 187,378,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,096,618.30 : 769,637,710.35 = 124,920,302.10 : x
  2. Step 2: Convert to fraction form
    513,096,618.30/769,637,710.35 = 124,920,302.10/x
  3. Step 3: Cross multiply
    513,096,618.30x = 769,637,710.35 × 124,920,302.10
  4. Step 4: Simplify right side
    513,096,618.30x = 96,143,375,284,474,288
  5. Step 5: Solve for x
    x = 96,143,375,284,474,288/513,096,618.30
  6. Step 6: Final answer
    x = 187,378,696.05

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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.