Home / 390,468,246.12-585,394,195.20-193,595,918.16

Finding the Fourth Proportional to 390,468,246.12, 585,394,195.20 and 193,595,918.16

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Solution

The fourth proportional to 390,468,246.12, 585,394,195.20 and 193,595,918.16 is: 290,241,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,468,246.12 : 585,394,195.20 = 193,595,918.16 : x
  2. Step 2: Convert to fraction form
    390,468,246.12/585,394,195.20 = 193,595,918.16/x
  3. Step 3: Cross multiply
    390,468,246.12x = 585,394,195.20 × 193,595,918.16
  4. Step 4: Simplify right side
    390,468,246.12x = 113,329,926,705,278,272
  5. Step 5: Solve for x
    x = 113,329,926,705,278,272/390,468,246.12
  6. Step 6: Final answer
    x = 290,241,083.19

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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.