Home / 2,086,371,945.60-3,129,557,918.40-632,160,412.80

Finding the Fourth Proportional to 2,086,371,945.60, 3,129,557,918.40 and 632,160,412.80

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Solution

The fourth proportional to 2,086,371,945.60, 3,129,557,918.40 and 632,160,412.80 is: 948,240,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,371,945.60 : 3,129,557,918.40 = 632,160,412.80 : x
  2. Step 2: Convert to fraction form
    2,086,371,945.60/3,129,557,918.40 = 632,160,412.80/x
  3. Step 3: Cross multiply
    2,086,371,945.60x = 3,129,557,918.40 × 632,160,412.80
  4. Step 4: Simplify right side
    2,086,371,945.60x = 1,978,382,625,577,252,608
  5. Step 5: Solve for x
    x = 1,978,382,625,577,252,608/2,086,371,945.60
  6. Step 6: Final answer
    x = 948,240,619.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.