Home / 1,510,151,909,414.40-2,265,585,123,562.30-490,267,472,121.78

Finding the Fourth Proportional to 1,510,151,909,414.40, 2,265,585,123,562.30 and 490,267,472,121.78

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Solution

The fourth proportional to 1,510,151,909,414.40, 2,265,585,123,562.30 and 490,267,472,121.78 is: 735,517,191,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,151,909,414.40 : 2,265,585,123,562.30 = 490,267,472,121.78 : x
  2. Step 2: Convert to fraction form
    1,510,151,909,414.40/2,265,585,123,562.30 = 490,267,472,121.78/x
  3. Step 3: Cross multiply
    1,510,151,909,414.40x = 2,265,585,123,562.30 × 490,267,472,121.78
  4. Step 4: Simplify right side
    1,510,151,909,414.40x = 1,110,742,691,405,599,374,049,280
  5. Step 5: Solve for x
    x = 1,110,742,691,405,599,374,049,280/1,510,151,909,414.40
  6. Step 6: Final answer
    x = 735,517,191,668.70

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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.