Home / 3,087,216,719.80-4,260,385,981.38-1,677,520,677.88

Finding the Fourth Proportional to 3,087,216,719.80, 4,260,385,981.38 and 1,677,520,677.88

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Solution

The fourth proportional to 3,087,216,719.80, 4,260,385,981.38 and 1,677,520,677.88 is: 2,314,993,156.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,216,719.80 : 4,260,385,981.38 = 1,677,520,677.88 : x
  2. Step 2: Convert to fraction form
    3,087,216,719.80/4,260,385,981.38 = 1,677,520,677.88/x
  3. Step 3: Cross multiply
    3,087,216,719.80x = 4,260,385,981.38 × 1,677,520,677.88
  4. Step 4: Simplify right side
    3,087,216,719.80x = 7,146,885,579,515,027,456
  5. Step 5: Solve for x
    x = 7,146,885,579,515,027,456/3,087,216,719.80
  6. Step 6: Final answer
    x = 2,314,993,156.68

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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.