Home / 781,257,844.44-1,176,563,520.59-711,522,156.42

Finding the Fourth Proportional to 781,257,844.44, 1,176,563,520.59 and 711,522,156.42

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Solution

The fourth proportional to 781,257,844.44, 1,176,563,520.59 and 711,522,156.42 is: 1,071,542,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,257,844.44 : 1,176,563,520.59 = 711,522,156.42 : x
  2. Step 2: Convert to fraction form
    781,257,844.44/1,176,563,520.59 = 711,522,156.42/x
  3. Step 3: Cross multiply
    781,257,844.44x = 1,176,563,520.59 × 711,522,156.42
  4. Step 4: Simplify right side
    781,257,844.44x = 837,151,013,331,746,176
  5. Step 5: Solve for x
    x = 837,151,013,331,746,176/781,257,844.44
  6. Step 6: Final answer
    x = 1,071,542,537.83

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1.5x scale

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.