Home / 467,278,090.59-645,042,318.03-291,153,104.22

Finding the Fourth Proportional to 467,278,090.59, 645,042,318.03 and 291,153,104.22

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Solution

The fourth proportional to 467,278,090.59, 645,042,318.03 and 291,153,104.22 is: 401,914,998.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,278,090.59 : 645,042,318.03 = 291,153,104.22 : x
  2. Step 2: Convert to fraction form
    467,278,090.59/645,042,318.03 = 291,153,104.22/x
  3. Step 3: Cross multiply
    467,278,090.59x = 645,042,318.03 × 291,153,104.22
  4. Step 4: Simplify right side
    467,278,090.59x = 187,806,073,247,698,976
  5. Step 5: Solve for x
    x = 187,806,073,247,698,976/467,278,090.59
  6. Step 6: Final answer
    x = 401,914,998.86

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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.