Home / 961,454,190.80-1,326,790,889.16-543,750,798.80

Finding the Fourth Proportional to 961,454,190.80, 1,326,790,889.16 and 543,750,798.80

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Solution

The fourth proportional to 961,454,190.80, 1,326,790,889.16 and 543,750,798.80 is: 750,367,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,454,190.80 : 1,326,790,889.16 = 543,750,798.80 : x
  2. Step 2: Convert to fraction form
    961,454,190.80/1,326,790,889.16 = 543,750,798.80/x
  3. Step 3: Cross multiply
    961,454,190.80x = 1,326,790,889.16 × 543,750,798.80
  4. Step 4: Simplify right side
    961,454,190.80x = 721,443,605,821,312,256
  5. Step 5: Solve for x
    x = 721,443,605,821,312,256/961,454,190.80
  6. Step 6: Final answer
    x = 750,367,113.40

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Double scale
Find fourth proportional to 961,454,191.80, 1,326,790,890.54 and 543,750,799.80
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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.