Home / 786,834,036.16-1,085,926,184.85-447,824,936.77

Finding the Fourth Proportional to 786,834,036.16, 1,085,926,184.85 and 447,824,936.77

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Solution

The fourth proportional to 786,834,036.16, 1,085,926,184.85 and 447,824,936.77 is: 618,052,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,834,036.16 : 1,085,926,184.85 = 447,824,936.77 : x
  2. Step 2: Convert to fraction form
    786,834,036.16/1,085,926,184.85 = 447,824,936.77/x
  3. Step 3: Cross multiply
    786,834,036.16x = 1,085,926,184.85 × 447,824,936.77
  4. Step 4: Simplify right side
    786,834,036.16x = 486,304,825,067,338,496
  5. Step 5: Solve for x
    x = 486,304,825,067,338,496/786,834,036.16
  6. Step 6: Final answer
    x = 618,052,604.13

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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.