Home / 1,304,791,685.82-1,956,209,949.45-787,101,453.18

Finding the Fourth Proportional to 1,304,791,685.82, 1,956,209,949.45 and 787,101,453.18

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Solution

The fourth proportional to 1,304,791,685.82, 1,956,209,949.45 and 787,101,453.18 is: 1,180,062,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,791,685.82 : 1,956,209,949.45 = 787,101,453.18 : x
  2. Step 2: Convert to fraction form
    1,304,791,685.82/1,956,209,949.45 = 787,101,453.18/x
  3. Step 3: Cross multiply
    1,304,791,685.82x = 1,956,209,949.45 × 787,101,453.18
  4. Step 4: Simplify right side
    1,304,791,685.82x = 1,539,735,693,937,269,248
  5. Step 5: Solve for x
    x = 1,539,735,693,937,269,248/1,304,791,685.82
  6. Step 6: Final answer
    x = 1,180,062,465.66

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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.