Home / 31,384,455,156.76-43,309,300,631.10-18,528,236,335.76

Finding the Fourth Proportional to 31,384,455,156.76, 43,309,300,631.10 and 18,528,236,335.76

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Solution

The fourth proportional to 31,384,455,156.76, 43,309,300,631.10 and 18,528,236,335.76 is: 25,568,229,673.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,384,455,156.76 : 43,309,300,631.10 = 18,528,236,335.76 : x
  2. Step 2: Convert to fraction form
    31,384,455,156.76/43,309,300,631.10 = 18,528,236,335.76/x
  3. Step 3: Cross multiply
    31,384,455,156.76x = 43,309,300,631.10 × 18,528,236,335.76
  4. Step 4: Simplify right side
    31,384,455,156.76x = 802,444,957,629,500,358,656
  5. Step 5: Solve for x
    x = 802,444,957,629,500,358,656/31,384,455,156.76
  6. Step 6: Final answer
    x = 25,568,229,673.62

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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.