Home / 684,150,691.52-1,026,122,348.12-186,200,009.51

Finding the Fourth Proportional to 684,150,691.52, 1,026,122,348.12 and 186,200,009.51

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Solution

The fourth proportional to 684,150,691.52, 1,026,122,348.12 and 186,200,009.51 is: 279,271,793.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,150,691.52 : 1,026,122,348.12 = 186,200,009.51 : x
  2. Step 2: Convert to fraction form
    684,150,691.52/1,026,122,348.12 = 186,200,009.51/x
  3. Step 3: Cross multiply
    684,150,691.52x = 1,026,122,348.12 × 186,200,009.51
  4. Step 4: Simplify right side
    684,150,691.52x = 191,063,990,972,305,920
  5. Step 5: Solve for x
    x = 191,063,990,972,305,920/684,150,691.52
  6. Step 6: Final answer
    x = 279,271,793.98

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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.