Home / 12,819,482,238.77-17,690,989,361.72-7,103,862,137.72

Finding the Fourth Proportional to 12,819,482,238.77, 17,690,989,361.72 and 7,103,862,137.72

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Solution

The fourth proportional to 12,819,482,238.77, 17,690,989,361.72 and 7,103,862,137.72 is: 9,803,387,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,238.77 : 17,690,989,361.72 = 7,103,862,137.72 : x
  2. Step 2: Convert to fraction form
    12,819,482,238.77/17,690,989,361.72 = 7,103,862,137.72/x
  3. Step 3: Cross multiply
    12,819,482,238.77x = 17,690,989,361.72 × 7,103,862,137.72
  4. Step 4: Simplify right side
    12,819,482,238.77x = 125,674,349,505,538,719,744
  5. Step 5: Solve for x
    x = 125,674,349,505,538,719,744/12,819,482,238.77
  6. Step 6: Final answer
    x = 9,803,387,310.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.