Home / 1,455,829,927.70-2,183,744,891.55-639,536,551.70

Finding the Fourth Proportional to 1,455,829,927.70, 2,183,744,891.55 and 639,536,551.70

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Solution

The fourth proportional to 1,455,829,927.70, 2,183,744,891.55 and 639,536,551.70 is: 959,304,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,829,927.70 : 2,183,744,891.55 = 639,536,551.70 : x
  2. Step 2: Convert to fraction form
    1,455,829,927.70/2,183,744,891.55 = 639,536,551.70/x
  3. Step 3: Cross multiply
    1,455,829,927.70x = 2,183,744,891.55 × 639,536,551.70
  4. Step 4: Simplify right side
    1,455,829,927.70x = 1,396,584,677,734,377,728
  5. Step 5: Solve for x
    x = 1,396,584,677,734,377,728/1,455,829,927.70
  6. Step 6: Final answer
    x = 959,304,827.55

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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.