Home / 7,157,177,340.64-10,730,777,763.60-3,171,094,820.32

Finding the Fourth Proportional to 7,157,177,340.64, 10,730,777,763.60 and 3,171,094,820.32

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Solution

The fourth proportional to 7,157,177,340.64, 10,730,777,763.60 and 3,171,094,820.32 is: 4,754,432,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,177,340.64 : 10,730,777,763.60 = 3,171,094,820.32 : x
  2. Step 2: Convert to fraction form
    7,157,177,340.64/10,730,777,763.60 = 3,171,094,820.32/x
  3. Step 3: Cross multiply
    7,157,177,340.64x = 10,730,777,763.60 × 3,171,094,820.32
  4. Step 4: Simplify right side
    7,157,177,340.64x = 34,028,313,784,156,995,584
  5. Step 5: Solve for x
    x = 34,028,313,784,156,995,584/7,157,177,340.64
  6. Step 6: Final answer
    x = 4,754,432,112.63

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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.