Home / 19,976,954,081.60-29,933,182,495.20-12,602,767,995.20

Finding the Fourth Proportional to 19,976,954,081.60, 29,933,182,495.20 and 12,602,767,995.20

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Solution

The fourth proportional to 19,976,954,081.60, 29,933,182,495.20 and 12,602,767,995.20 is: 18,883,807,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976,954,081.60 : 29,933,182,495.20 = 12,602,767,995.20 : x
  2. Step 2: Convert to fraction form
    19,976,954,081.60/29,933,182,495.20 = 12,602,767,995.20/x
  3. Step 3: Cross multiply
    19,976,954,081.60x = 29,933,182,495.20 × 12,602,767,995.20
  4. Step 4: Simplify right side
    19,976,954,081.60x = 377,240,954,344,987,492,352
  5. Step 5: Solve for x
    x = 377,240,954,344,987,492,352/19,976,954,081.60
  6. Step 6: Final answer
    x = 18,883,807,451.53

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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.