Home / 1,070,928,021.20-1,606,392,031.80-579,451,384.40

Finding the Fourth Proportional to 1,070,928,021.20, 1,606,392,031.80 and 579,451,384.40

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Solution

The fourth proportional to 1,070,928,021.20, 1,606,392,031.80 and 579,451,384.40 is: 869,177,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,928,021.20 : 1,606,392,031.80 = 579,451,384.40 : x
  2. Step 2: Convert to fraction form
    1,070,928,021.20/1,606,392,031.80 = 579,451,384.40/x
  3. Step 3: Cross multiply
    1,070,928,021.20x = 1,606,392,031.80 × 579,451,384.40
  4. Step 4: Simplify right side
    1,070,928,021.20x = 930,826,086,715,638,784
  5. Step 5: Solve for x
    x = 930,826,086,715,638,784/1,070,928,021.20
  6. Step 6: Final answer
    x = 869,177,076.60

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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.