Home / 829,762,821.80-1,244,707,218.30-247,451,618.60

Finding the Fourth Proportional to 829,762,821.80, 1,244,707,218.30 and 247,451,618.60

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Solution

The fourth proportional to 829,762,821.80, 1,244,707,218.30 and 247,451,618.60 is: 371,196,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,762,821.80 : 1,244,707,218.30 = 247,451,618.60 : x
  2. Step 2: Convert to fraction form
    829,762,821.80/1,244,707,218.30 = 247,451,618.60/x
  3. Step 3: Cross multiply
    829,762,821.80x = 1,244,707,218.30 × 247,451,618.60
  4. Step 4: Simplify right side
    829,762,821.80x = 308,004,815,851,438,528
  5. Step 5: Solve for x
    x = 308,004,815,851,438,528/829,762,821.80
  6. Step 6: Final answer
    x = 371,196,211.45

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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.