Home / 7,143,517,108.32-9,858,605,697.90-4,285,766,865.53

Finding the Fourth Proportional to 7,143,517,108.32, 9,858,605,697.90 and 4,285,766,865.53

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Solution

The fourth proportional to 7,143,517,108.32, 9,858,605,697.90 and 4,285,766,865.53 is: 5,914,689,500.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,517,108.32 : 9,858,605,697.90 = 4,285,766,865.53 : x
  2. Step 2: Convert to fraction form
    7,143,517,108.32/9,858,605,697.90 = 4,285,766,865.53/x
  3. Step 3: Cross multiply
    7,143,517,108.32x = 9,858,605,697.90 × 4,285,766,865.53
  4. Step 4: Simplify right side
    7,143,517,108.32x = 42,251,685,640,335,785,984
  5. Step 5: Solve for x
    x = 42,251,685,640,335,785,984/7,143,517,108.32
  6. Step 6: Final answer
    x = 5,914,689,500.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.