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Finding the Fourth Proportional to 577,694,995.53, 866,510,475.62 and 422,407,935.33

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Solution

The fourth proportional to 577,694,995.53, 866,510,475.62 and 422,407,935.33 is: 633,588,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,694,995.53 : 866,510,475.62 = 422,407,935.33 : x
  2. Step 2: Convert to fraction form
    577,694,995.53/866,510,475.62 = 422,407,935.33/x
  3. Step 3: Cross multiply
    577,694,995.53x = 866,510,475.62 × 422,407,935.33
  4. Step 4: Simplify right side
    577,694,995.53x = 366,020,900,949,160,064
  5. Step 5: Solve for x
    x = 366,020,900,949,160,064/577,694,995.53
  6. Step 6: Final answer
    x = 633,588,491.82

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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.