Home / 3,826,829,959.20-5,740,244,938.80-918,784,807.20

Finding the Fourth Proportional to 3,826,829,959.20, 5,740,244,938.80 and 918,784,807.20

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Solution

The fourth proportional to 3,826,829,959.20, 5,740,244,938.80 and 918,784,807.20 is: 1,378,177,210.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,829,959.20 : 5,740,244,938.80 = 918,784,807.20 : x
  2. Step 2: Convert to fraction form
    3,826,829,959.20/5,740,244,938.80 = 918,784,807.20/x
  3. Step 3: Cross multiply
    3,826,829,959.20x = 5,740,244,938.80 × 918,784,807.20
  4. Step 4: Simplify right side
    3,826,829,959.20x = 5,274,049,839,376,134,144
  5. Step 5: Solve for x
    x = 5,274,049,839,376,134,144/3,826,829,959.20
  6. Step 6: Final answer
    x = 1,378,177,210.80

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Double scale
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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.