Home / 1,078,272,014.80-1,617,408,022.20-715,176,360.40

Finding the Fourth Proportional to 1,078,272,014.80, 1,617,408,022.20 and 715,176,360.40

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Solution

The fourth proportional to 1,078,272,014.80, 1,617,408,022.20 and 715,176,360.40 is: 1,072,764,540.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,272,014.80 : 1,617,408,022.20 = 715,176,360.40 : x
  2. Step 2: Convert to fraction form
    1,078,272,014.80/1,617,408,022.20 = 715,176,360.40/x
  3. Step 3: Cross multiply
    1,078,272,014.80x = 1,617,408,022.20 × 715,176,360.40
  4. Step 4: Simplify right side
    1,078,272,014.80x = 1,156,731,982,598,758,400
  5. Step 5: Solve for x
    x = 1,156,731,982,598,758,400/1,078,272,014.80
  6. Step 6: Final answer
    x = 1,072,764,540.60

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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.