Home / 20,219,544,067.30-30,329,316,100.95-9,199,583,491.30

Finding the Fourth Proportional to 20,219,544,067.30, 30,329,316,100.95 and 9,199,583,491.30

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Solution

The fourth proportional to 20,219,544,067.30, 30,329,316,100.95 and 9,199,583,491.30 is: 13,799,375,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,219,544,067.30 : 30,329,316,100.95 = 9,199,583,491.30 : x
  2. Step 2: Convert to fraction form
    20,219,544,067.30/30,329,316,100.95 = 9,199,583,491.30/x
  3. Step 3: Cross multiply
    20,219,544,067.30x = 30,329,316,100.95 × 9,199,583,491.30
  4. Step 4: Simplify right side
    20,219,544,067.30x = 279,017,075,704,718,884,864
  5. Step 5: Solve for x
    x = 279,017,075,704,718,884,864/20,219,544,067.30
  6. Step 6: Final answer
    x = 13,799,375,236.95

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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.