Home / 13,712,739,465.51-18,922,067,409.93-7,690,005,469.89

Finding the Fourth Proportional to 13,712,739,465.51, 18,922,067,409.93 and 7,690,005,469.89

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Solution

The fourth proportional to 13,712,739,465.51, 18,922,067,409.93 and 7,690,005,469.89 is: 10,611,359,039.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712,739,465.51 : 18,922,067,409.93 = 7,690,005,469.89 : x
  2. Step 2: Convert to fraction form
    13,712,739,465.51/18,922,067,409.93 = 7,690,005,469.89/x
  3. Step 3: Cross multiply
    13,712,739,465.51x = 18,922,067,409.93 × 7,690,005,469.89
  4. Step 4: Simplify right side
    13,712,739,465.51x = 145,510,801,883,989,016,576
  5. Step 5: Solve for x
    x = 145,510,801,883,989,016,576/13,712,739,465.51
  6. Step 6: Final answer
    x = 10,611,359,039.52

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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.