Home / 278,527,011,175.44-417,872,486,223-89,869,367,581.20

Finding the Fourth Proportional to 278,527,011,175.44, 417,872,486,223 and 89,869,367,581.20

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Solution

The fourth proportional to 278,527,011,175.44, 417,872,486,223 and 89,869,367,581.20 is: 134,830,499,591.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,527,011,175.44 : 417,872,486,223 = 89,869,367,581.20 : x
  2. Step 2: Convert to fraction form
    278,527,011,175.44/417,872,486,223 = 89,869,367,581.20/x
  3. Step 3: Cross multiply
    278,527,011,175.44x = 417,872,486,223 × 89,869,367,581.20
  4. Step 4: Simplify right side
    278,527,011,175.44x = 37,553,936,066,444,718,505,984
  5. Step 5: Solve for x
    x = 37,553,936,066,444,718,505,984/278,527,011,175.44
  6. Step 6: Final answer
    x = 134,830,499,591.26

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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.