Home / 693,767,035.62-957,310,247.73-396,428,551.62

Finding the Fourth Proportional to 693,767,035.62, 957,310,247.73 and 396,428,551.62

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Solution

The fourth proportional to 693,767,035.62, 957,310,247.73 and 396,428,551.62 is: 547,020,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,767,035.62 : 957,310,247.73 = 396,428,551.62 : x
  2. Step 2: Convert to fraction form
    693,767,035.62/957,310,247.73 = 396,428,551.62/x
  3. Step 3: Cross multiply
    693,767,035.62x = 957,310,247.73 × 396,428,551.62
  4. Step 4: Simplify right side
    693,767,035.62x = 379,505,114,958,587,328
  5. Step 5: Solve for x
    x = 379,505,114,958,587,328/693,767,035.62
  6. Step 6: Final answer
    x = 547,020,967.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.