Home / 403,734,456.35-605,709,343.04-144,951,918.60

Finding the Fourth Proportional to 403,734,456.35, 605,709,343.04 and 144,951,918.60

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Solution

The fourth proportional to 403,734,456.35, 605,709,343.04 and 144,951,918.60 is: 217,466,530.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,734,456.35 : 605,709,343.04 = 144,951,918.60 : x
  2. Step 2: Convert to fraction form
    403,734,456.35/605,709,343.04 = 144,951,918.60/x
  3. Step 3: Cross multiply
    403,734,456.35x = 605,709,343.04 × 144,951,918.60
  4. Step 4: Simplify right side
    403,734,456.35x = 87,798,731,386,868,784
  5. Step 5: Solve for x
    x = 87,798,731,386,868,784/403,734,456.35
  6. Step 6: Final answer
    x = 217,466,530.31

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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.