Home / 5,156,545,513.71-7,731,650,650.86-2,005,086,661.50

Finding the Fourth Proportional to 5,156,545,513.71, 7,731,650,650.86 and 2,005,086,661.50

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Solution

The fourth proportional to 5,156,545,513.71, 7,731,650,650.86 and 2,005,086,661.50 is: 3,006,398,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156,545,513.71 : 7,731,650,650.86 = 2,005,086,661.50 : x
  2. Step 2: Convert to fraction form
    5,156,545,513.71/7,731,650,650.86 = 2,005,086,661.50/x
  3. Step 3: Cross multiply
    5,156,545,513.71x = 7,731,650,650.86 × 2,005,086,661.50
  4. Step 4: Simplify right side
    5,156,545,513.71x = 15,502,629,591,417,178,112
  5. Step 5: Solve for x
    x = 15,502,629,591,417,178,112/5,156,545,513.71
  6. Step 6: Final answer
    x = 3,006,398,285.48

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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.