Home / 399,238,927.60-598,752,103.20-122,889,607.60

Finding the Fourth Proportional to 399,238,927.60, 598,752,103.20 and 122,889,607.60

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Solution

The fourth proportional to 399,238,927.60, 598,752,103.20 and 122,889,607.60 is: 184,301,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,238,927.60 : 598,752,103.20 = 122,889,607.60 : x
  2. Step 2: Convert to fraction form
    399,238,927.60/598,752,103.20 = 122,889,607.60/x
  3. Step 3: Cross multiply
    399,238,927.60x = 598,752,103.20 × 122,889,607.60
  4. Step 4: Simplify right side
    399,238,927.60x = 73,580,411,011,922,704
  5. Step 5: Solve for x
    x = 73,580,411,011,922,704/399,238,927.60
  6. Step 6: Final answer
    x = 184,301,694.86

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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.