Home / 1,137,317,612-1,706,040,234.12-319,366,140.08

Finding the Fourth Proportional to 1,137,317,612, 1,706,040,234.12 and 319,366,140.08

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Solution

The fourth proportional to 1,137,317,612, 1,706,040,234.12 and 319,366,140.08 is: 479,067,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,317,612 : 1,706,040,234.12 = 319,366,140.08 : x
  2. Step 2: Convert to fraction form
    1,137,317,612/1,706,040,234.12 = 319,366,140.08/x
  3. Step 3: Cross multiply
    1,137,317,612x = 1,706,040,234.12 × 319,366,140.08
  4. Step 4: Simplify right side
    1,137,317,612x = 544,851,484,392,083,840
  5. Step 5: Solve for x
    x = 544,851,484,392,083,840/1,137,317,612
  6. Step 6: Final answer
    x = 479,067,130.10

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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.