Home / 198,588,675,779.20-297,883,013,668.80-159,406,593,731.20

Finding the Fourth Proportional to 198,588,675,779.20, 297,883,013,668.80 and 159,406,593,731.20

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Solution

The fourth proportional to 198,588,675,779.20, 297,883,013,668.80 and 159,406,593,731.20 is: 239,109,890,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,588,675,779.20 : 297,883,013,668.80 = 159,406,593,731.20 : x
  2. Step 2: Convert to fraction form
    198,588,675,779.20/297,883,013,668.80 = 159,406,593,731.20/x
  3. Step 3: Cross multiply
    198,588,675,779.20x = 297,883,013,668.80 × 159,406,593,731.20
  4. Step 4: Simplify right side
    198,588,675,779.20x = 47,484,516,539,327,901,073,408
  5. Step 5: Solve for x
    x = 47,484,516,539,327,901,073,408/198,588,675,779.20
  6. Step 6: Final answer
    x = 239,109,890,596.80

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1.5x scale

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.