Home / 8,911,961,803.64-13,368,386,734.54-3,391,647,678.20

Finding the Fourth Proportional to 8,911,961,803.64, 13,368,386,734.54 and 3,391,647,678.20

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Solution

The fourth proportional to 8,911,961,803.64, 13,368,386,734.54 and 3,391,647,678.20 is: 5,087,640,502.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911,961,803.64 : 13,368,386,734.54 = 3,391,647,678.20 : x
  2. Step 2: Convert to fraction form
    8,911,961,803.64/13,368,386,734.54 = 3,391,647,678.20/x
  3. Step 3: Cross multiply
    8,911,961,803.64x = 13,368,386,734.54 × 3,391,647,678.20
  4. Step 4: Simplify right side
    8,911,961,803.64x = 45,340,857,829,482,274,816
  5. Step 5: Solve for x
    x = 45,340,857,829,482,274,816/8,911,961,803.64
  6. Step 6: Final answer
    x = 5,087,640,502.56

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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.