Home / 1,015,361,847.87-1,400,683,665.78-663,144,010.71

Finding the Fourth Proportional to 1,015,361,847.87, 1,400,683,665.78 and 663,144,010.71

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Solution

The fourth proportional to 1,015,361,847.87, 1,400,683,665.78 and 663,144,010.71 is: 914,801,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,361,847.87 : 1,400,683,665.78 = 663,144,010.71 : x
  2. Step 2: Convert to fraction form
    1,015,361,847.87/1,400,683,665.78 = 663,144,010.71/x
  3. Step 3: Cross multiply
    1,015,361,847.87x = 1,400,683,665.78 × 663,144,010.71
  4. Step 4: Simplify right side
    1,015,361,847.87x = 928,854,983,861,334,400
  5. Step 5: Solve for x
    x = 928,854,983,861,334,400/1,015,361,847.87
  6. Step 6: Final answer
    x = 914,801,935.69

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Double scale
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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.