Home / 853,961,532.40-1,280,936,000.04-240,532,176.88

Finding the Fourth Proportional to 853,961,532.40, 1,280,936,000.04 and 240,532,176.88

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Solution

The fourth proportional to 853,961,532.40, 1,280,936,000.04 and 240,532,176.88 is: 360,796,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,961,532.40 : 1,280,936,000.04 = 240,532,176.88 : x
  2. Step 2: Convert to fraction form
    853,961,532.40/1,280,936,000.04 = 240,532,176.88/x
  3. Step 3: Cross multiply
    853,961,532.40x = 1,280,936,000.04 × 240,532,176.88
  4. Step 4: Simplify right side
    853,961,532.40x = 308,106,324,533,580,928
  5. Step 5: Solve for x
    x = 308,106,324,533,580,928/853,961,532.40
  6. Step 6: Final answer
    x = 360,796,491.23

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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.