Home / 883,147,119.31-1,218,751,084.85-486,684,333.93

Finding the Fourth Proportional to 883,147,119.31, 1,218,751,084.85 and 486,684,333.93

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Solution

The fourth proportional to 883,147,119.31, 1,218,751,084.85 and 486,684,333.93 is: 671,628,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,119.31 : 1,218,751,084.85 = 486,684,333.93 : x
  2. Step 2: Convert to fraction form
    883,147,119.31/1,218,751,084.85 = 486,684,333.93/x
  3. Step 3: Cross multiply
    883,147,119.31x = 1,218,751,084.85 × 486,684,333.93
  4. Step 4: Simplify right side
    883,147,119.31x = 593,147,059,956,687,104
  5. Step 5: Solve for x
    x = 593,147,059,956,687,104/883,147,119.31
  6. Step 6: Final answer
    x = 671,628,822.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.