Home / 862,605,227.16-1,292,591,199.54-512,161,200.12

Finding the Fourth Proportional to 862,605,227.16, 1,292,591,199.54 and 512,161,200.12

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Solution

The fourth proportional to 862,605,227.16, 1,292,591,199.54 and 512,161,200.12 is: 767,460,060.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,605,227.16 : 1,292,591,199.54 = 512,161,200.12 : x
  2. Step 2: Convert to fraction form
    862,605,227.16/1,292,591,199.54 = 512,161,200.12/x
  3. Step 3: Cross multiply
    862,605,227.16x = 1,292,591,199.54 × 512,161,200.12
  4. Step 4: Simplify right side
    862,605,227.16x = 662,015,060,020,956,800
  5. Step 5: Solve for x
    x = 662,015,060,020,956,800/862,605,227.16
  6. Step 6: Final answer
    x = 767,460,060.73

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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.