Home / 988,339,808.44-1,364,029,891.65-570,651,392.52

Finding the Fourth Proportional to 988,339,808.44, 1,364,029,891.65 and 570,651,392.52

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Solution

The fourth proportional to 988,339,808.44, 1,364,029,891.65 and 570,651,392.52 is: 787,568,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,339,808.44 : 1,364,029,891.65 = 570,651,392.52 : x
  2. Step 2: Convert to fraction form
    988,339,808.44/1,364,029,891.65 = 570,651,392.52/x
  3. Step 3: Cross multiply
    988,339,808.44x = 1,364,029,891.65 × 570,651,392.52
  4. Step 4: Simplify right side
    988,339,808.44x = 778,385,557,108,977,280
  5. Step 5: Solve for x
    x = 778,385,557,108,977,280/988,339,808.44
  6. Step 6: Final answer
    x = 787,568,759.71

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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.