Home / 20,218,141,646.70-30,268,201,260.46-11,798,245,534.38

Finding the Fourth Proportional to 20,218,141,646.70, 30,268,201,260.46 and 11,798,245,534.38

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Solution

The fourth proportional to 20,218,141,646.70, 30,268,201,260.46 and 11,798,245,534.38 is: 17,662,932,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,141,646.70 : 30,268,201,260.46 = 11,798,245,534.38 : x
  2. Step 2: Convert to fraction form
    20,218,141,646.70/30,268,201,260.46 = 11,798,245,534.38/x
  3. Step 3: Cross multiply
    20,218,141,646.70x = 30,268,201,260.46 × 11,798,245,534.38
  4. Step 4: Simplify right side
    20,218,141,646.70x = 357,111,670,354,937,249,792
  5. Step 5: Solve for x
    x = 357,111,670,354,937,249,792/20,218,141,646.70
  6. Step 6: Final answer
    x = 17,662,932,459.14

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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.