Home / 3,109,653,670.90-4,660,897,325.55-1,268,197,338.10

Finding the Fourth Proportional to 3,109,653,670.90, 4,660,897,325.55 and 1,268,197,338.10

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Solution

The fourth proportional to 3,109,653,670.90, 4,660,897,325.55 and 1,268,197,338.10 is: 1,900,834,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,653,670.90 : 4,660,897,325.55 = 1,268,197,338.10 : x
  2. Step 2: Convert to fraction form
    3,109,653,670.90/4,660,897,325.55 = 1,268,197,338.10/x
  3. Step 3: Cross multiply
    3,109,653,670.90x = 4,660,897,325.55 × 1,268,197,338.10
  4. Step 4: Simplify right side
    3,109,653,670.90x = 5,910,937,581,419,919,360
  5. Step 5: Solve for x
    x = 5,910,937,581,419,919,360/3,109,653,670.90
  6. Step 6: Final answer
    x = 1,900,834,693.18

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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.