Home / 883,147,138.58-1,218,751,111.42-486,684,353.16

Finding the Fourth Proportional to 883,147,138.58, 1,218,751,111.42 and 486,684,353.16

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Solution

The fourth proportional to 883,147,138.58, 1,218,751,111.42 and 486,684,353.16 is: 671,628,849.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,138.58 : 1,218,751,111.42 = 486,684,353.16 : x
  2. Step 2: Convert to fraction form
    883,147,138.58/1,218,751,111.42 = 486,684,353.16/x
  3. Step 3: Cross multiply
    883,147,138.58x = 1,218,751,111.42 × 486,684,353.16
  4. Step 4: Simplify right side
    883,147,138.58x = 593,147,096,323,257,088
  5. Step 5: Solve for x
    x = 593,147,096,323,257,088/883,147,138.58
  6. Step 6: Final answer
    x = 671,628,849.16

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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.