Home / 2,640,558,830.40-3,960,838,245.60-800,072,359.20

Finding the Fourth Proportional to 2,640,558,830.40, 3,960,838,245.60 and 800,072,359.20

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Solution

The fourth proportional to 2,640,558,830.40, 3,960,838,245.60 and 800,072,359.20 is: 1,200,108,538.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,640,558,830.40 : 3,960,838,245.60 = 800,072,359.20 : x
  2. Step 2: Convert to fraction form
    2,640,558,830.40/3,960,838,245.60 = 800,072,359.20/x
  3. Step 3: Cross multiply
    2,640,558,830.40x = 3,960,838,245.60 × 800,072,359.20
  4. Step 4: Simplify right side
    2,640,558,830.40x = 3,168,957,199,566,780,928
  5. Step 5: Solve for x
    x = 3,168,957,199,566,780,928/2,640,558,830.40
  6. Step 6: Final answer
    x = 1,200,108,538.80

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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.