Home / 472,393,077.30-708,589,615.95-165,716,190.90

Finding the Fourth Proportional to 472,393,077.30, 708,589,615.95 and 165,716,190.90

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Solution

The fourth proportional to 472,393,077.30, 708,589,615.95 and 165,716,190.90 is: 248,574,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,077.30 : 708,589,615.95 = 165,716,190.90 : x
  2. Step 2: Convert to fraction form
    472,393,077.30/708,589,615.95 = 165,716,190.90/x
  3. Step 3: Cross multiply
    472,393,077.30x = 708,589,615.95 × 165,716,190.90
  4. Step 4: Simplify right side
    472,393,077.30x = 117,424,772,066,527,904
  5. Step 5: Solve for x
    x = 117,424,772,066,527,904/472,393,077.30
  6. Step 6: Final answer
    x = 248,574,286.35

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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.