Home / 354,294,675.20-531,442,012.80-268,201,233.20

Finding the Fourth Proportional to 354,294,675.20, 531,442,012.80 and 268,201,233.20

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Solution

The fourth proportional to 354,294,675.20, 531,442,012.80 and 268,201,233.20 is: 402,301,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,675.20 : 531,442,012.80 = 268,201,233.20 : x
  2. Step 2: Convert to fraction form
    354,294,675.20/531,442,012.80 = 268,201,233.20/x
  3. Step 3: Cross multiply
    354,294,675.20x = 531,442,012.80 × 268,201,233.20
  4. Step 4: Simplify right side
    354,294,675.20x = 142,533,403,207,250,176
  5. Step 5: Solve for x
    x = 142,533,403,207,250,176/354,294,675.20
  6. Step 6: Final answer
    x = 402,301,849.80

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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.