Home / 7,699,968,216.80-11,549,952,325.20-7,210,192,191.20

Finding the Fourth Proportional to 7,699,968,216.80, 11,549,952,325.20 and 7,210,192,191.20

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Solution

The fourth proportional to 7,699,968,216.80, 11,549,952,325.20 and 7,210,192,191.20 is: 10,815,288,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699,968,216.80 : 11,549,952,325.20 = 7,210,192,191.20 : x
  2. Step 2: Convert to fraction form
    7,699,968,216.80/11,549,952,325.20 = 7,210,192,191.20/x
  3. Step 3: Cross multiply
    7,699,968,216.80x = 11,549,952,325.20 × 7,210,192,191.20
  4. Step 4: Simplify right side
    7,699,968,216.80x = 83,277,376,063,889,326,080
  5. Step 5: Solve for x
    x = 83,277,376,063,889,326,080/7,699,968,216.80
  6. Step 6: Final answer
    x = 10,815,288,286.80

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Double scale
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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.