Home / 1,027,638,339.82-1,418,142,277.33-557,739,660.76

Finding the Fourth Proportional to 1,027,638,339.82, 1,418,142,277.33 and 557,739,660.76

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Solution

The fourth proportional to 1,027,638,339.82, 1,418,142,277.33 and 557,739,660.76 is: 769,681,474.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,638,339.82 : 1,418,142,277.33 = 557,739,660.76 : x
  2. Step 2: Convert to fraction form
    1,027,638,339.82/1,418,142,277.33 = 557,739,660.76/x
  3. Step 3: Cross multiply
    1,027,638,339.82x = 1,418,142,277.33 × 557,739,660.76
  4. Step 4: Simplify right side
    1,027,638,339.82x = 790,954,192,662,508,416
  5. Step 5: Solve for x
    x = 790,954,192,662,508,416/1,027,638,339.82
  6. Step 6: Final answer
    x = 769,681,474.52

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Half scale
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Double scale
Find fourth proportional to 1,027,638,340.82, 1,418,142,278.71 and 557,739,661.76
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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.