Home / 472,858,237.31-708,672,046.83-192,412,254.51

Finding the Fourth Proportional to 472,858,237.31, 708,672,046.83 and 192,412,254.51

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Solution

The fourth proportional to 472,858,237.31, 708,672,046.83 and 192,412,254.51 is: 288,368,004.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,858,237.31 : 708,672,046.83 = 192,412,254.51 : x
  2. Step 2: Convert to fraction form
    472,858,237.31/708,672,046.83 = 192,412,254.51/x
  3. Step 3: Cross multiply
    472,858,237.31x = 708,672,046.83 × 192,412,254.51
  4. Step 4: Simplify right side
    472,858,237.31x = 136,357,186,238,776,608
  5. Step 5: Solve for x
    x = 136,357,186,238,776,608/472,858,237.31
  6. Step 6: Final answer
    x = 288,368,004.36

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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.