Home / 1,457,022,280.92-2,010,696,764.12-787,967,311.24

Finding the Fourth Proportional to 1,457,022,280.92, 2,010,696,764.12 and 787,967,311.24

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Solution

The fourth proportional to 1,457,022,280.92, 2,010,696,764.12 and 787,967,311.24 is: 1,087,398,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,022,280.92 : 2,010,696,764.12 = 787,967,311.24 : x
  2. Step 2: Convert to fraction form
    1,457,022,280.92/2,010,696,764.12 = 787,967,311.24/x
  3. Step 3: Cross multiply
    1,457,022,280.92x = 2,010,696,764.12 × 787,967,311.24
  4. Step 4: Simplify right side
    1,457,022,280.92x = 1,584,363,322,942,604,800
  5. Step 5: Solve for x
    x = 1,584,363,322,942,604,800/1,457,022,280.92
  6. Step 6: Final answer
    x = 1,087,398,143.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.