Home / 438,877,038.40-658,294,562.40-147,715,604.80

Finding the Fourth Proportional to 438,877,038.40, 658,294,562.40 and 147,715,604.80

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Solution

The fourth proportional to 438,877,038.40, 658,294,562.40 and 147,715,604.80 is: 221,566,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,877,038.40 : 658,294,562.40 = 147,715,604.80 : x
  2. Step 2: Convert to fraction form
    438,877,038.40/658,294,562.40 = 147,715,604.80/x
  3. Step 3: Cross multiply
    438,877,038.40x = 658,294,562.40 × 147,715,604.80
  4. Step 4: Simplify right side
    438,877,038.40x = 97,240,379,421,467,344
  5. Step 5: Solve for x
    x = 97,240,379,421,467,344/438,877,038.40
  6. Step 6: Final answer
    x = 221,566,340.71

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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.