Home / 39,132,346,997.40-58,729,131,497.70-18,173,376,839.40

Finding the Fourth Proportional to 39,132,346,997.40, 58,729,131,497.70 and 18,173,376,839.40

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Solution

The fourth proportional to 39,132,346,997.40, 58,729,131,497.70 and 18,173,376,839.40 is: 27,274,281,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,132,346,997.40 : 58,729,131,497.70 = 18,173,376,839.40 : x
  2. Step 2: Convert to fraction form
    39,132,346,997.40/58,729,131,497.70 = 18,173,376,839.40/x
  3. Step 3: Cross multiply
    39,132,346,997.40x = 58,729,131,497.70 × 18,173,376,839.40
  4. Step 4: Simplify right side
    39,132,346,997.40x = 1,067,306,638,158,378,303,488
  5. Step 5: Solve for x
    x = 1,067,306,638,158,378,303,488/39,132,346,997.40
  6. Step 6: Final answer
    x = 27,274,281,254.57

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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.