Home / 840,949,102.92-1,160,474,634.94-483,689,710.74

Finding the Fourth Proportional to 840,949,102.92, 1,160,474,634.94 and 483,689,710.74

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Solution

The fourth proportional to 840,949,102.92, 1,160,474,634.94 and 483,689,710.74 is: 667,471,596.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,949,102.92 : 1,160,474,634.94 = 483,689,710.74 : x
  2. Step 2: Convert to fraction form
    840,949,102.92/1,160,474,634.94 = 483,689,710.74/x
  3. Step 3: Cross multiply
    840,949,102.92x = 1,160,474,634.94 × 483,689,710.74
  4. Step 4: Simplify right side
    840,949,102.92x = 561,309,640,495,235,712
  5. Step 5: Solve for x
    x = 561,309,640,495,235,712/840,949,102.92
  6. Step 6: Final answer
    x = 667,471,596.73

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Half scale
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Double scale
Find fourth proportional to 840,949,103.92, 1,160,474,636.32 and 483,689,711.74
Similar ratio
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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.