Home / 781,257,846.94-1,176,563,524.36-711,522,158.92

Finding the Fourth Proportional to 781,257,846.94, 1,176,563,524.36 and 711,522,158.92

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Solution

The fourth proportional to 781,257,846.94, 1,176,563,524.36 and 711,522,158.92 is: 1,071,542,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,257,846.94 : 1,176,563,524.36 = 711,522,158.92 : x
  2. Step 2: Convert to fraction form
    781,257,846.94/1,176,563,524.36 = 711,522,158.92/x
  3. Step 3: Cross multiply
    781,257,846.94x = 1,176,563,524.36 × 711,522,158.92
  4. Step 4: Simplify right side
    781,257,846.94x = 837,151,018,959,151,104
  5. Step 5: Solve for x
    x = 837,151,018,959,151,104/781,257,846.94
  6. Step 6: Final answer
    x = 1,071,542,541.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.