Home / 440,257,029.60-660,385,544.40-181,338,974.40

Finding the Fourth Proportional to 440,257,029.60, 660,385,544.40 and 181,338,974.40

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Solution

The fourth proportional to 440,257,029.60, 660,385,544.40 and 181,338,974.40 is: 272,008,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,257,029.60 : 660,385,544.40 = 181,338,974.40 : x
  2. Step 2: Convert to fraction form
    440,257,029.60/660,385,544.40 = 181,338,974.40/x
  3. Step 3: Cross multiply
    440,257,029.60x = 660,385,544.40 × 181,338,974.40
  4. Step 4: Simplify right side
    440,257,029.60x = 119,753,637,330,081,664
  5. Step 5: Solve for x
    x = 119,753,637,330,081,664/440,257,029.60
  6. Step 6: Final answer
    x = 272,008,461.60

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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.