Home / 2,619,264,807.40-3,928,897,211.10-1,309,369,030.60

Finding the Fourth Proportional to 2,619,264,807.40, 3,928,897,211.10 and 1,309,369,030.60

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Solution

The fourth proportional to 2,619,264,807.40, 3,928,897,211.10 and 1,309,369,030.60 is: 1,964,053,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,264,807.40 : 3,928,897,211.10 = 1,309,369,030.60 : x
  2. Step 2: Convert to fraction form
    2,619,264,807.40/3,928,897,211.10 = 1,309,369,030.60/x
  3. Step 3: Cross multiply
    2,619,264,807.40x = 3,928,897,211.10 × 1,309,369,030.60
  4. Step 4: Simplify right side
    2,619,264,807.40x = 5,144,376,332,625,049,600
  5. Step 5: Solve for x
    x = 5,144,376,332,625,049,600/2,619,264,807.40
  6. Step 6: Final answer
    x = 1,964,053,545.90

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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.