Home / 1,304,791,687.32-1,956,209,951.70-787,101,454.68

Finding the Fourth Proportional to 1,304,791,687.32, 1,956,209,951.70 and 787,101,454.68

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Solution

The fourth proportional to 1,304,791,687.32, 1,956,209,951.70 and 787,101,454.68 is: 1,180,062,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,791,687.32 : 1,956,209,951.70 = 787,101,454.68 : x
  2. Step 2: Convert to fraction form
    1,304,791,687.32/1,956,209,951.70 = 787,101,454.68/x
  3. Step 3: Cross multiply
    1,304,791,687.32x = 1,956,209,951.70 × 787,101,454.68
  4. Step 4: Simplify right side
    1,304,791,687.32x = 1,539,735,698,642,562,560
  5. Step 5: Solve for x
    x = 1,539,735,698,642,562,560/1,304,791,687.32
  6. Step 6: Final answer
    x = 1,180,062,467.91

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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.