Home / 2,551,900,533.70-3,827,850,800.55-915,912,559.30

Finding the Fourth Proportional to 2,551,900,533.70, 3,827,850,800.55 and 915,912,559.30

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Solution

The fourth proportional to 2,551,900,533.70, 3,827,850,800.55 and 915,912,559.30 is: 1,373,868,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551,900,533.70 : 3,827,850,800.55 = 915,912,559.30 : x
  2. Step 2: Convert to fraction form
    2,551,900,533.70/3,827,850,800.55 = 915,912,559.30/x
  3. Step 3: Cross multiply
    2,551,900,533.70x = 3,827,850,800.55 × 915,912,559.30
  4. Step 4: Simplify right side
    2,551,900,533.70x = 3,505,976,623,350,304,256
  5. Step 5: Solve for x
    x = 3,505,976,623,350,304,256/2,551,900,533.70
  6. Step 6: Final answer
    x = 1,373,868,838.95

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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.