Home / 1,008,910,803.40-1,513,366,205.10-944,340,721.90

Finding the Fourth Proportional to 1,008,910,803.40, 1,513,366,205.10 and 944,340,721.90

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Solution

The fourth proportional to 1,008,910,803.40, 1,513,366,205.10 and 944,340,721.90 is: 1,416,511,082.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,910,803.40 : 1,513,366,205.10 = 944,340,721.90 : x
  2. Step 2: Convert to fraction form
    1,008,910,803.40/1,513,366,205.10 = 944,340,721.90/x
  3. Step 3: Cross multiply
    1,008,910,803.40x = 1,513,366,205.10 × 944,340,721.90
  4. Step 4: Simplify right side
    1,008,910,803.40x = 1,429,133,334,623,197,440
  5. Step 5: Solve for x
    x = 1,429,133,334,623,197,440/1,008,910,803.40
  6. Step 6: Final answer
    x = 1,416,511,082.85

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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.