Home / 7,699,968,192.80-11,549,952,289.20-7,210,192,167.20

Finding the Fourth Proportional to 7,699,968,192.80, 11,549,952,289.20 and 7,210,192,167.20

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Solution

The fourth proportional to 7,699,968,192.80, 11,549,952,289.20 and 7,210,192,167.20 is: 10,815,288,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699,968,192.80 : 11,549,952,289.20 = 7,210,192,167.20 : x
  2. Step 2: Convert to fraction form
    7,699,968,192.80/11,549,952,289.20 = 7,210,192,167.20/x
  3. Step 3: Cross multiply
    7,699,968,192.80x = 11,549,952,289.20 × 7,210,192,167.20
  4. Step 4: Simplify right side
    7,699,968,192.80x = 83,277,375,527,123,550,208
  5. Step 5: Solve for x
    x = 83,277,375,527,123,550,208/7,699,968,192.80
  6. Step 6: Final answer
    x = 10,815,288,250.80

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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.