Home / 676,490,608.53-1,014,801,145.74-210,026,789.15

Finding the Fourth Proportional to 676,490,608.53, 1,014,801,145.74 and 210,026,789.15

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Solution

The fourth proportional to 676,490,608.53, 1,014,801,145.74 and 210,026,789.15 is: 315,060,436.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,490,608.53 : 1,014,801,145.74 = 210,026,789.15 : x
  2. Step 2: Convert to fraction form
    676,490,608.53/1,014,801,145.74 = 210,026,789.15/x
  3. Step 3: Cross multiply
    676,490,608.53x = 1,014,801,145.74 × 210,026,789.15
  4. Step 4: Simplify right side
    676,490,608.53x = 213,135,426,260,439,392
  5. Step 5: Solve for x
    x = 213,135,426,260,439,392/676,490,608.53
  6. Step 6: Final answer
    x = 315,060,436.28

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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.