Home / 1,347,442,748.56-1,859,367,210.60-760,789,789.84

Finding the Fourth Proportional to 1,347,442,748.56, 1,859,367,210.60 and 760,789,789.84

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Solution

The fourth proportional to 1,347,442,748.56, 1,859,367,210.60 and 760,789,789.84 is: 1,049,831,312.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,442,748.56 : 1,859,367,210.60 = 760,789,789.84 : x
  2. Step 2: Convert to fraction form
    1,347,442,748.56/1,859,367,210.60 = 760,789,789.84/x
  3. Step 3: Cross multiply
    1,347,442,748.56x = 1,859,367,210.60 × 760,789,789.84
  4. Step 4: Simplify right side
    1,347,442,748.56x = 1,414,587,589,387,760,896
  5. Step 5: Solve for x
    x = 1,414,587,589,387,760,896/1,347,442,748.56
  6. Step 6: Final answer
    x = 1,049,831,312.61

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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.