Home / 7,040,689,315.12-9,706,442,614.56-5,616,593,928.64

Finding the Fourth Proportional to 7,040,689,315.12, 9,706,442,614.56 and 5,616,593,928.64

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Solution

The fourth proportional to 7,040,689,315.12, 9,706,442,614.56 and 5,616,593,928.64 is: 7,743,154,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040,689,315.12 : 9,706,442,614.56 = 5,616,593,928.64 : x
  2. Step 2: Convert to fraction form
    7,040,689,315.12/9,706,442,614.56 = 5,616,593,928.64/x
  3. Step 3: Cross multiply
    7,040,689,315.12x = 9,706,442,614.56 × 5,616,593,928.64
  4. Step 4: Simplify right side
    7,040,689,315.12x = 54,517,146,657,630,265,344
  5. Step 5: Solve for x
    x = 54,517,146,657,630,265,344/7,040,689,315.12
  6. Step 6: Final answer
    x = 7,743,154,713.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.