Home / 1,180,126,830.80-1,770,190,246.20-499,234,005.20

Finding the Fourth Proportional to 1,180,126,830.80, 1,770,190,246.20 and 499,234,005.20

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Solution

The fourth proportional to 1,180,126,830.80, 1,770,190,246.20 and 499,234,005.20 is: 748,851,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,126,830.80 : 1,770,190,246.20 = 499,234,005.20 : x
  2. Step 2: Convert to fraction form
    1,180,126,830.80/1,770,190,246.20 = 499,234,005.20/x
  3. Step 3: Cross multiply
    1,180,126,830.80x = 1,770,190,246.20 × 499,234,005.20
  4. Step 4: Simplify right side
    1,180,126,830.80x = 883,739,166,576,400,128
  5. Step 5: Solve for x
    x = 883,739,166,576,400,128/1,180,126,830.80
  6. Step 6: Final answer
    x = 748,851,007.80

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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.