Home / 1,010,989,666.20-1,516,484,499.30-972,247,617.30

Finding the Fourth Proportional to 1,010,989,666.20, 1,516,484,499.30 and 972,247,617.30

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Solution

The fourth proportional to 1,010,989,666.20, 1,516,484,499.30 and 972,247,617.30 is: 1,458,371,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,989,666.20 : 1,516,484,499.30 = 972,247,617.30 : x
  2. Step 2: Convert to fraction form
    1,010,989,666.20/1,516,484,499.30 = 972,247,617.30/x
  3. Step 3: Cross multiply
    1,010,989,666.20x = 1,516,484,499.30 × 972,247,617.30
  4. Step 4: Simplify right side
    1,010,989,666.20x = 1,474,398,441,116,808,448
  5. Step 5: Solve for x
    x = 1,474,398,441,116,808,448/1,010,989,666.20
  6. Step 6: Final answer
    x = 1,458,371,425.95

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Double scale
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Similar ratio
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1.5x scale

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.