Home / 883,147,211.76-1,218,751,212.12-486,684,426.36

Finding the Fourth Proportional to 883,147,211.76, 1,218,751,212.12 and 486,684,426.36

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Solution

The fourth proportional to 883,147,211.76, 1,218,751,212.12 and 486,684,426.36 is: 671,628,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,211.76 : 1,218,751,212.12 = 486,684,426.36 : x
  2. Step 2: Convert to fraction form
    883,147,211.76/1,218,751,212.12 = 486,684,426.36/x
  3. Step 3: Cross multiply
    883,147,211.76x = 1,218,751,212.12 × 486,684,426.36
  4. Step 4: Simplify right side
    883,147,211.76x = 593,147,234,546,176,896
  5. Step 5: Solve for x
    x = 593,147,234,546,176,896/883,147,211.76
  6. Step 6: Final answer
    x = 671,628,950.02

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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.