Home / 1,225,152,919.94-1,837,813,120.54-351,687,121.16

Finding the Fourth Proportional to 1,225,152,919.94, 1,837,813,120.54 and 351,687,121.16

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Solution

The fourth proportional to 1,225,152,919.94, 1,837,813,120.54 and 351,687,121.16 is: 527,554,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,152,919.94 : 1,837,813,120.54 = 351,687,121.16 : x
  2. Step 2: Convert to fraction form
    1,225,152,919.94/1,837,813,120.54 = 351,687,121.16/x
  3. Step 3: Cross multiply
    1,225,152,919.94x = 1,837,813,120.54 × 351,687,121.16
  4. Step 4: Simplify right side
    1,225,152,919.94x = 646,335,205,592,788,736
  5. Step 5: Solve for x
    x = 646,335,205,592,788,736/1,225,152,919.94
  6. Step 6: Final answer
    x = 527,554,719.96

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Double scale
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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.