Home / 19,716,251,968.97-29,574,605,143.11-7,126,066,585.11

Finding the Fourth Proportional to 19,716,251,968.97, 29,574,605,143.11 and 7,126,066,585.11

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Solution

The fourth proportional to 19,716,251,968.97, 29,574,605,143.11 and 7,126,066,585.11 is: 10,689,181,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,716,251,968.97 : 29,574,605,143.11 = 7,126,066,585.11 : x
  2. Step 2: Convert to fraction form
    19,716,251,968.97/29,574,605,143.11 = 7,126,066,585.11/x
  3. Step 3: Cross multiply
    19,716,251,968.97x = 29,574,605,143.11 × 7,126,066,585.11
  4. Step 4: Simplify right side
    19,716,251,968.97x = 210,750,605,478,138,511,360
  5. Step 5: Solve for x
    x = 210,750,605,478,138,511,360/19,716,251,968.97
  6. Step 6: Final answer
    x = 10,689,181,991.07

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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.