Home / 394,416,000.30-591,624,000.45-213,017,472.30

Finding the Fourth Proportional to 394,416,000.30, 591,624,000.45 and 213,017,472.30

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Solution

The fourth proportional to 394,416,000.30, 591,624,000.45 and 213,017,472.30 is: 319,526,208.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,416,000.30 : 591,624,000.45 = 213,017,472.30 : x
  2. Step 2: Convert to fraction form
    394,416,000.30/591,624,000.45 = 213,017,472.30/x
  3. Step 3: Cross multiply
    394,416,000.30x = 591,624,000.45 × 213,017,472.30
  4. Step 4: Simplify right side
    394,416,000.30x = 126,026,249,127,873,072
  5. Step 5: Solve for x
    x = 126,026,249,127,873,072/394,416,000.30
  6. Step 6: Final answer
    x = 319,526,208.45

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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.