Home / 958,023,154.56-1,321,822,049.76-561,333,022.32

Finding the Fourth Proportional to 958,023,154.56, 1,321,822,049.76 and 561,333,022.32

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Solution

The fourth proportional to 958,023,154.56, 1,321,822,049.76 and 561,333,022.32 is: 774,493,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,023,154.56 : 1,321,822,049.76 = 561,333,022.32 : x
  2. Step 2: Convert to fraction form
    958,023,154.56/1,321,822,049.76 = 561,333,022.32/x
  3. Step 3: Cross multiply
    958,023,154.56x = 1,321,822,049.76 × 561,333,022.32
  4. Step 4: Simplify right side
    958,023,154.56x = 741,982,366,160,998,272
  5. Step 5: Solve for x
    x = 741,982,366,160,998,272/958,023,154.56
  6. Step 6: Final answer
    x = 774,493,145.21

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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.