Home / 646,816,003.80-970,224,005.70-258,446,794.20

Finding the Fourth Proportional to 646,816,003.80, 970,224,005.70 and 258,446,794.20

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Solution

The fourth proportional to 646,816,003.80, 970,224,005.70 and 258,446,794.20 is: 387,670,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,816,003.80 : 970,224,005.70 = 258,446,794.20 : x
  2. Step 2: Convert to fraction form
    646,816,003.80/970,224,005.70 = 258,446,794.20/x
  3. Step 3: Cross multiply
    646,816,003.80x = 970,224,005.70 × 258,446,794.20
  4. Step 4: Simplify right side
    646,816,003.80x = 250,751,283,929,047,520
  5. Step 5: Solve for x
    x = 250,751,283,929,047,520/646,816,003.80
  6. Step 6: Final answer
    x = 387,670,191.30

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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.