Home / 10,352,544,011.20-15,528,816,016.80-8,514,372,260.80

Finding the Fourth Proportional to 10,352,544,011.20, 15,528,816,016.80 and 8,514,372,260.80

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Solution

The fourth proportional to 10,352,544,011.20, 15,528,816,016.80 and 8,514,372,260.80 is: 12,771,558,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352,544,011.20 : 15,528,816,016.80 = 8,514,372,260.80 : x
  2. Step 2: Convert to fraction form
    10,352,544,011.20/15,528,816,016.80 = 8,514,372,260.80/x
  3. Step 3: Cross multiply
    10,352,544,011.20x = 15,528,816,016.80 × 8,514,372,260.80
  4. Step 4: Simplify right side
    10,352,544,011.20x = 132,218,120,336,508,665,856
  5. Step 5: Solve for x
    x = 132,218,120,336,508,665,856/10,352,544,011.20
  6. Step 6: Final answer
    x = 12,771,558,391.20

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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.