Home / 1,370,213,757.42-1,890,570,889.40-775,498,229.22

Finding the Fourth Proportional to 1,370,213,757.42, 1,890,570,889.40 and 775,498,229.22

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Solution

The fourth proportional to 1,370,213,757.42, 1,890,570,889.40 and 775,498,229.22 is: 1,070,004,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,213,757.42 : 1,890,570,889.40 = 775,498,229.22 : x
  2. Step 2: Convert to fraction form
    1,370,213,757.42/1,890,570,889.40 = 775,498,229.22/x
  3. Step 3: Cross multiply
    1,370,213,757.42x = 1,890,570,889.40 × 775,498,229.22
  4. Step 4: Simplify right side
    1,370,213,757.42x = 1,466,134,376,944,580,608
  5. Step 5: Solve for x
    x = 1,466,134,376,944,580,608/1,370,213,757.42
  6. Step 6: Final answer
    x = 1,070,004,128.19

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Double scale
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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.