Home / 399,238,948.60-598,752,134.70-122,889,628.60

Finding the Fourth Proportional to 399,238,948.60, 598,752,134.70 and 122,889,628.60

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Solution

The fourth proportional to 399,238,948.60, 598,752,134.70 and 122,889,628.60 is: 184,301,726.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,238,948.60 : 598,752,134.70 = 122,889,628.60 : x
  2. Step 2: Convert to fraction form
    399,238,948.60/598,752,134.70 = 122,889,628.60/x
  3. Step 3: Cross multiply
    399,238,948.60x = 598,752,134.70 × 122,889,628.60
  4. Step 4: Simplify right side
    399,238,948.60x = 73,580,427,456,740,176
  5. Step 5: Solve for x
    x = 73,580,427,456,740,176/399,238,948.60
  6. Step 6: Final answer
    x = 184,301,726.36

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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.