Home / 12,095,534,101.20-18,143,301,151.80-9,646,653,973.20

Finding the Fourth Proportional to 12,095,534,101.20, 18,143,301,151.80 and 9,646,653,973.20

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Solution

The fourth proportional to 12,095,534,101.20, 18,143,301,151.80 and 9,646,653,973.20 is: 14,469,980,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,534,101.20 : 18,143,301,151.80 = 9,646,653,973.20 : x
  2. Step 2: Convert to fraction form
    12,095,534,101.20/18,143,301,151.80 = 9,646,653,973.20/x
  3. Step 3: Cross multiply
    12,095,534,101.20x = 18,143,301,151.80 × 9,646,653,973.20
  4. Step 4: Simplify right side
    12,095,534,101.20x = 175,022,148,142,975,614,976
  5. Step 5: Solve for x
    x = 175,022,148,142,975,614,976/12,095,534,101.20
  6. Step 6: Final answer
    x = 14,469,980,959.80

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Double scale
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Similar ratio
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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.