Home / 1,070,928,031.20-1,606,392,046.80-579,451,394.40

Finding the Fourth Proportional to 1,070,928,031.20, 1,606,392,046.80 and 579,451,394.40

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Solution

The fourth proportional to 1,070,928,031.20, 1,606,392,046.80 and 579,451,394.40 is: 869,177,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,928,031.20 : 1,606,392,046.80 = 579,451,394.40 : x
  2. Step 2: Convert to fraction form
    1,070,928,031.20/1,606,392,046.80 = 579,451,394.40/x
  3. Step 3: Cross multiply
    1,070,928,031.20x = 1,606,392,046.80 × 579,451,394.40
  4. Step 4: Simplify right side
    1,070,928,031.20x = 930,826,111,471,330,048
  5. Step 5: Solve for x
    x = 930,826,111,471,330,048/1,070,928,031.20
  6. Step 6: Final answer
    x = 869,177,091.60

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.