Home / 3,678,254,838.80-5,517,382,258.20-3,279,178,077.20

Finding the Fourth Proportional to 3,678,254,838.80, 5,517,382,258.20 and 3,279,178,077.20

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Solution

The fourth proportional to 3,678,254,838.80, 5,517,382,258.20 and 3,279,178,077.20 is: 4,918,767,115.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,254,838.80 : 5,517,382,258.20 = 3,279,178,077.20 : x
  2. Step 2: Convert to fraction form
    3,678,254,838.80/5,517,382,258.20 = 3,279,178,077.20/x
  3. Step 3: Cross multiply
    3,678,254,838.80x = 5,517,382,258.20 × 3,279,178,077.20
  4. Step 4: Simplify right side
    3,678,254,838.80x = 18,092,478,944,621,668,352
  5. Step 5: Solve for x
    x = 18,092,478,944,621,668,352/3,678,254,838.80
  6. Step 6: Final answer
    x = 4,918,767,115.80

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1.5x scale

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.