Home / 1,240,944,098.76-1,712,502,438.84-684,036,446.04

Finding the Fourth Proportional to 1,240,944,098.76, 1,712,502,438.84 and 684,036,446.04

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Solution

The fourth proportional to 1,240,944,098.76, 1,712,502,438.84 and 684,036,446.04 is: 943,970,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,944,098.76 : 1,712,502,438.84 = 684,036,446.04 : x
  2. Step 2: Convert to fraction form
    1,240,944,098.76/1,712,502,438.84 = 684,036,446.04/x
  3. Step 3: Cross multiply
    1,240,944,098.76x = 1,712,502,438.84 × 684,036,446.04
  4. Step 4: Simplify right side
    1,240,944,098.76x = 1,171,414,082,098,946,048
  5. Step 5: Solve for x
    x = 1,171,414,082,098,946,048/1,240,944,098.76
  6. Step 6: Final answer
    x = 943,970,065.43

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Half scale
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Double scale
Find fourth proportional to 1,240,944,099.76, 1,712,502,440.22 and 684,036,447.04
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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.