Home / 603,612,020.40-905,418,030.60-194,709,505.20

Finding the Fourth Proportional to 603,612,020.40, 905,418,030.60 and 194,709,505.20

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Solution

The fourth proportional to 603,612,020.40, 905,418,030.60 and 194,709,505.20 is: 292,064,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,612,020.40 : 905,418,030.60 = 194,709,505.20 : x
  2. Step 2: Convert to fraction form
    603,612,020.40/905,418,030.60 = 194,709,505.20/x
  3. Step 3: Cross multiply
    603,612,020.40x = 905,418,030.60 × 194,709,505.20
  4. Step 4: Simplify right side
    603,612,020.40x = 176,293,496,737,284,448
  5. Step 5: Solve for x
    x = 176,293,496,737,284,448/603,612,020.40
  6. Step 6: Final answer
    x = 292,064,257.80

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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.