Home / 961,454,188.80-1,326,790,886.40-543,750,796.80

Finding the Fourth Proportional to 961,454,188.80, 1,326,790,886.40 and 543,750,796.80

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Solution

The fourth proportional to 961,454,188.80, 1,326,790,886.40 and 543,750,796.80 is: 750,367,110.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,454,188.80 : 1,326,790,886.40 = 543,750,796.80 : x
  2. Step 2: Convert to fraction form
    961,454,188.80/1,326,790,886.40 = 543,750,796.80/x
  3. Step 3: Cross multiply
    961,454,188.80x = 1,326,790,886.40 × 543,750,796.80
  4. Step 4: Simplify right side
    961,454,188.80x = 721,443,601,666,978,304
  5. Step 5: Solve for x
    x = 721,443,601,666,978,304/961,454,188.80
  6. Step 6: Final answer
    x = 750,367,110.64

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1.5x scale

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.