Home / 832,073,635.20-1,247,214,657.60-314,304,009.60

Finding the Fourth Proportional to 832,073,635.20, 1,247,214,657.60 and 314,304,009.60

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Solution

The fourth proportional to 832,073,635.20, 1,247,214,657.60 and 314,304,009.60 is: 471,117,640.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,073,635.20 : 1,247,214,657.60 = 314,304,009.60 : x
  2. Step 2: Convert to fraction form
    832,073,635.20/1,247,214,657.60 = 314,304,009.60/x
  3. Step 3: Cross multiply
    832,073,635.20x = 1,247,214,657.60 × 314,304,009.60
  4. Step 4: Simplify right side
    832,073,635.20x = 392,004,567,715,571,136
  5. Step 5: Solve for x
    x = 392,004,567,715,571,136/832,073,635.20
  6. Step 6: Final answer
    x = 471,117,640.47

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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.