Home / 12,781,446,117.20-19,172,169,175.80-9,682,082,205.20

Finding the Fourth Proportional to 12,781,446,117.20, 19,172,169,175.80 and 9,682,082,205.20

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Solution

The fourth proportional to 12,781,446,117.20, 19,172,169,175.80 and 9,682,082,205.20 is: 14,523,123,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,446,117.20 : 19,172,169,175.80 = 9,682,082,205.20 : x
  2. Step 2: Convert to fraction form
    12,781,446,117.20/19,172,169,175.80 = 9,682,082,205.20/x
  3. Step 3: Cross multiply
    12,781,446,117.20x = 19,172,169,175.80 × 9,682,082,205.20
  4. Step 4: Simplify right side
    12,781,446,117.20x = 185,626,518,012,097,134,592
  5. Step 5: Solve for x
    x = 185,626,518,012,097,134,592/12,781,446,117.20
  6. Step 6: Final answer
    x = 14,523,123,307.80

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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.