Home / 994,888,225.20-1,492,332,337.80-313,995,399.60

Finding the Fourth Proportional to 994,888,225.20, 1,492,332,337.80 and 313,995,399.60

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Solution

The fourth proportional to 994,888,225.20, 1,492,332,337.80 and 313,995,399.60 is: 470,993,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,888,225.20 : 1,492,332,337.80 = 313,995,399.60 : x
  2. Step 2: Convert to fraction form
    994,888,225.20/1,492,332,337.80 = 313,995,399.60/x
  3. Step 3: Cross multiply
    994,888,225.20x = 1,492,332,337.80 × 313,995,399.60
  4. Step 4: Simplify right side
    994,888,225.20x = 468,585,488,743,513,216
  5. Step 5: Solve for x
    x = 468,585,488,743,513,216/994,888,225.20
  6. Step 6: Final answer
    x = 470,993,099.40

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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.