Home / 3,165,115,579.78-4,367,818,288.04-1,808,734,048.90

Finding the Fourth Proportional to 3,165,115,579.78, 4,367,818,288.04 and 1,808,734,048.90

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Solution

The fourth proportional to 3,165,115,579.78, 4,367,818,288.04 and 1,808,734,048.90 is: 2,496,029,436.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165,115,579.78 : 4,367,818,288.04 = 1,808,734,048.90 : x
  2. Step 2: Convert to fraction form
    3,165,115,579.78/4,367,818,288.04 = 1,808,734,048.90/x
  3. Step 3: Cross multiply
    3,165,115,579.78x = 4,367,818,288.04 × 1,808,734,048.90
  4. Step 4: Simplify right side
    3,165,115,579.78x = 7,900,221,656,979,657,728
  5. Step 5: Solve for x
    x = 7,900,221,656,979,657,728/3,165,115,579.78
  6. Step 6: Final answer
    x = 2,496,029,436.48

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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.