Home / 1,275,220,502.19-1,759,733,138.88-702,985,092.30

Finding the Fourth Proportional to 1,275,220,502.19, 1,759,733,138.88 and 702,985,092.30

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Solution

The fourth proportional to 1,275,220,502.19, 1,759,733,138.88 and 702,985,092.30 is: 970,080,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,220,502.19 : 1,759,733,138.88 = 702,985,092.30 : x
  2. Step 2: Convert to fraction form
    1,275,220,502.19/1,759,733,138.88 = 702,985,092.30/x
  3. Step 3: Cross multiply
    1,275,220,502.19x = 1,759,733,138.88 × 702,985,092.30
  4. Step 4: Simplify right side
    1,275,220,502.19x = 1,237,066,163,058,925,568
  5. Step 5: Solve for x
    x = 1,237,066,163,058,925,568/1,275,220,502.19
  6. Step 6: Final answer
    x = 970,080,202.55

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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.