Home / 467,278,091.59-645,042,319.41-291,153,105.22

Finding the Fourth Proportional to 467,278,091.59, 645,042,319.41 and 291,153,105.22

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Solution

The fourth proportional to 467,278,091.59, 645,042,319.41 and 291,153,105.22 is: 401,915,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,278,091.59 : 645,042,319.41 = 291,153,105.22 : x
  2. Step 2: Convert to fraction form
    467,278,091.59/645,042,319.41 = 291,153,105.22/x
  3. Step 3: Cross multiply
    467,278,091.59x = 645,042,319.41 × 291,153,105.22
  4. Step 4: Simplify right side
    467,278,091.59x = 187,806,074,294,532,576
  5. Step 5: Solve for x
    x = 187,806,074,294,532,576/467,278,091.59
  6. Step 6: Final answer
    x = 401,915,000.24

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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.