Home / 1,562,131,190.52-2,155,692,480.48-857,265,048.72

Finding the Fourth Proportional to 1,562,131,190.52, 2,155,692,480.48 and 857,265,048.72

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Solution

The fourth proportional to 1,562,131,190.52, 2,155,692,480.48 and 857,265,048.72 is: 1,182,999,117.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,131,190.52 : 2,155,692,480.48 = 857,265,048.72 : x
  2. Step 2: Convert to fraction form
    1,562,131,190.52/2,155,692,480.48 = 857,265,048.72/x
  3. Step 3: Cross multiply
    1,562,131,190.52x = 2,155,692,480.48 × 857,265,048.72
  4. Step 4: Simplify right side
    1,562,131,190.52x = 1,847,999,819,304,024,832
  5. Step 5: Solve for x
    x = 1,847,999,819,304,024,832/1,562,131,190.52
  6. Step 6: Final answer
    x = 1,182,999,117.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.