Home / 695,319,244.20-1,042,978,866.30-210,645,052.20

Finding the Fourth Proportional to 695,319,244.20, 1,042,978,866.30 and 210,645,052.20

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Solution

The fourth proportional to 695,319,244.20, 1,042,978,866.30 and 210,645,052.20 is: 315,967,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,319,244.20 : 1,042,978,866.30 = 210,645,052.20 : x
  2. Step 2: Convert to fraction form
    695,319,244.20/1,042,978,866.30 = 210,645,052.20/x
  3. Step 3: Cross multiply
    695,319,244.20x = 1,042,978,866.30 × 210,645,052.20
  4. Step 4: Simplify right side
    695,319,244.20x = 219,698,337,735,260,288
  5. Step 5: Solve for x
    x = 219,698,337,735,260,288/695,319,244.20
  6. Step 6: Final answer
    x = 315,967,578.30

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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.