Home / 603,612,013.40-905,418,020.10-579,803,456.60

Finding the Fourth Proportional to 603,612,013.40, 905,418,020.10 and 579,803,456.60

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Solution

The fourth proportional to 603,612,013.40, 905,418,020.10 and 579,803,456.60 is: 869,705,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,612,013.40 : 905,418,020.10 = 579,803,456.60 : x
  2. Step 2: Convert to fraction form
    603,612,013.40/905,418,020.10 = 579,803,456.60/x
  3. Step 3: Cross multiply
    603,612,013.40x = 905,418,020.10 × 579,803,456.60
  4. Step 4: Simplify right side
    603,612,013.40x = 524,964,497,721,908,288
  5. Step 5: Solve for x
    x = 524,964,497,721,908,288/603,612,013.40
  6. Step 6: Final answer
    x = 869,705,184.90

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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.