Home / 472,392,684.45-708,589,026.68-165,574,080.45

Finding the Fourth Proportional to 472,392,684.45, 708,589,026.68 and 165,574,080.45

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Solution

The fourth proportional to 472,392,684.45, 708,589,026.68 and 165,574,080.45 is: 248,361,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,684.45 : 708,589,026.68 = 165,574,080.45 : x
  2. Step 2: Convert to fraction form
    472,392,684.45/708,589,026.68 = 165,574,080.45/x
  3. Step 3: Cross multiply
    472,392,684.45x = 708,589,026.68 × 165,574,080.45
  4. Step 4: Simplify right side
    472,392,684.45x = 117,323,976,508,673,632
  5. Step 5: Solve for x
    x = 117,323,976,508,673,632/472,392,684.45
  6. Step 6: Final answer
    x = 248,361,120.68

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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.