Home / 1,027,638,338.13-1,418,142,275.06-557,739,659.07

Finding the Fourth Proportional to 1,027,638,338.13, 1,418,142,275.06 and 557,739,659.07

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Solution

The fourth proportional to 1,027,638,338.13, 1,418,142,275.06 and 557,739,659.07 is: 769,681,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,638,338.13 : 1,418,142,275.06 = 557,739,659.07 : x
  2. Step 2: Convert to fraction form
    1,027,638,338.13/1,418,142,275.06 = 557,739,659.07/x
  3. Step 3: Cross multiply
    1,027,638,338.13x = 1,418,142,275.06 × 557,739,659.07
  4. Step 4: Simplify right side
    1,027,638,338.13x = 790,954,189,004,718,592
  5. Step 5: Solve for x
    x = 790,954,189,004,718,592/1,027,638,338.13
  6. Step 6: Final answer
    x = 769,681,472.22

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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.