Home / 1,620,239,758.69-2,236,290,567.54-985,025,275.69

Finding the Fourth Proportional to 1,620,239,758.69, 2,236,290,567.54 and 985,025,275.69

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Solution

The fourth proportional to 1,620,239,758.69, 2,236,290,567.54 and 985,025,275.69 is: 1,359,553,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,239,758.69 : 2,236,290,567.54 = 985,025,275.69 : x
  2. Step 2: Convert to fraction form
    1,620,239,758.69/2,236,290,567.54 = 985,025,275.69/x
  3. Step 3: Cross multiply
    1,620,239,758.69x = 2,236,290,567.54 × 985,025,275.69
  4. Step 4: Simplify right side
    1,620,239,758.69x = 2,202,802,732,814,035,200
  5. Step 5: Solve for x
    x = 2,202,802,732,814,035,200/1,620,239,758.69
  6. Step 6: Final answer
    x = 1,359,553,560.51

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Double scale
Find fourth proportional to 1,620,239,759.69, 2,236,290,568.92 and 985,025,276.69
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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.