Home / 472,392,935.40-708,589,403.10-165,645,190.20

Finding the Fourth Proportional to 472,392,935.40, 708,589,403.10 and 165,645,190.20

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Solution

The fourth proportional to 472,392,935.40, 708,589,403.10 and 165,645,190.20 is: 248,467,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,935.40 : 708,589,403.10 = 165,645,190.20 : x
  2. Step 2: Convert to fraction form
    472,392,935.40/708,589,403.10 = 165,645,190.20/x
  3. Step 3: Cross multiply
    472,392,935.40x = 708,589,403.10 × 165,645,190.20
  4. Step 4: Simplify right side
    472,392,935.40x = 117,374,426,450,203,968
  5. Step 5: Solve for x
    x = 117,374,426,450,203,968/472,392,935.40
  6. Step 6: Final answer
    x = 248,467,785.30

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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.