Home / 39,351,854,988.31-58,980,357,677.25-18,074,942,943.43

Finding the Fourth Proportional to 39,351,854,988.31, 58,980,357,677.25 and 18,074,942,943.43

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Solution

The fourth proportional to 39,351,854,988.31, 58,980,357,677.25 and 18,074,942,943.43 is: 27,090,631,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,351,854,988.31 : 58,980,357,677.25 = 18,074,942,943.43 : x
  2. Step 2: Convert to fraction form
    39,351,854,988.31/58,980,357,677.25 = 18,074,942,943.43/x
  3. Step 3: Cross multiply
    39,351,854,988.31x = 58,980,357,677.25 × 18,074,942,943.43
  4. Step 4: Simplify right side
    39,351,854,988.31x = 1,066,066,599,799,387,324,416
  5. Step 5: Solve for x
    x = 1,066,066,599,799,387,324,416/39,351,854,988.31
  6. Step 6: Final answer
    x = 27,090,631,435.70

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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.