Home / 159,631,285,780.43-239,447,549,893.20-38,619,646,689.16

Finding the Fourth Proportional to 159,631,285,780.43, 239,447,549,893.20 and 38,619,646,689.16

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Solution

The fourth proportional to 159,631,285,780.43, 239,447,549,893.20 and 38,619,646,689.16 is: 57,929,620,326.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631,285,780.43 : 239,447,549,893.20 = 38,619,646,689.16 : x
  2. Step 2: Convert to fraction form
    159,631,285,780.43/239,447,549,893.20 = 38,619,646,689.16/x
  3. Step 3: Cross multiply
    159,631,285,780.43x = 239,447,549,893.20 × 38,619,646,689.16
  4. Step 4: Simplify right side
    159,631,285,780.43x = 9,247,379,777,460,396,621,824
  5. Step 5: Solve for x
    x = 9,247,379,777,460,396,621,824/159,631,285,780.43
  6. Step 6: Final answer
    x = 57,929,620,326.31

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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.