Home / 3,989,094,758.80-5,983,642,138.20-3,774,817,747.60

Finding the Fourth Proportional to 3,989,094,758.80, 5,983,642,138.20 and 3,774,817,747.60

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Solution

The fourth proportional to 3,989,094,758.80, 5,983,642,138.20 and 3,774,817,747.60 is: 5,662,226,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,094,758.80 : 5,983,642,138.20 = 3,774,817,747.60 : x
  2. Step 2: Convert to fraction form
    3,989,094,758.80/5,983,642,138.20 = 3,774,817,747.60/x
  3. Step 3: Cross multiply
    3,989,094,758.80x = 5,983,642,138.20 × 3,774,817,747.60
  4. Step 4: Simplify right side
    3,989,094,758.80x = 22,587,158,538,564,571,136
  5. Step 5: Solve for x
    x = 22,587,158,538,564,571,136/3,989,094,758.80
  6. Step 6: Final answer
    x = 5,662,226,621.40

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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.