Home / 862,140,028.40-1,293,210,042.60-248,744,265.20

Finding the Fourth Proportional to 862,140,028.40, 1,293,210,042.60 and 248,744,265.20

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Solution

The fourth proportional to 862,140,028.40, 1,293,210,042.60 and 248,744,265.20 is: 373,116,397.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,140,028.40 : 1,293,210,042.60 = 248,744,265.20 : x
  2. Step 2: Convert to fraction form
    862,140,028.40/1,293,210,042.60 = 248,744,265.20/x
  3. Step 3: Cross multiply
    862,140,028.40x = 1,293,210,042.60 × 248,744,265.20
  4. Step 4: Simplify right side
    862,140,028.40x = 321,678,581,795,797,632
  5. Step 5: Solve for x
    x = 321,678,581,795,797,632/862,140,028.40
  6. Step 6: Final answer
    x = 373,116,397.80

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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.