Home / 13,052,190,333.52-18,012,025,250.76-7,111,742,833.36

Finding the Fourth Proportional to 13,052,190,333.52, 18,012,025,250.76 and 7,111,742,833.36

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Solution

The fourth proportional to 13,052,190,333.52, 18,012,025,250.76 and 7,111,742,833.36 is: 9,814,206,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,190,333.52 : 18,012,025,250.76 = 7,111,742,833.36 : x
  2. Step 2: Convert to fraction form
    13,052,190,333.52/18,012,025,250.76 = 7,111,742,833.36/x
  3. Step 3: Cross multiply
    13,052,190,333.52x = 18,012,025,250.76 × 7,111,742,833.36
  4. Step 4: Simplify right side
    13,052,190,333.52x = 128,096,891,491,391,766,528
  5. Step 5: Solve for x
    x = 128,096,891,491,391,766,528/13,052,190,333.52
  6. Step 6: Final answer
    x = 9,814,206,521.52

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Double scale
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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.