Home / 883,147,212.76-1,218,751,213.50-486,684,427.36

Finding the Fourth Proportional to 883,147,212.76, 1,218,751,213.50 and 486,684,427.36

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Solution

The fourth proportional to 883,147,212.76, 1,218,751,213.50 and 486,684,427.36 is: 671,628,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,147,212.76 : 1,218,751,213.50 = 486,684,427.36 : x
  2. Step 2: Convert to fraction form
    883,147,212.76/1,218,751,213.50 = 486,684,427.36/x
  3. Step 3: Cross multiply
    883,147,212.76x = 1,218,751,213.50 × 486,684,427.36
  4. Step 4: Simplify right side
    883,147,212.76x = 593,147,236,436,552,576
  5. Step 5: Solve for x
    x = 593,147,236,436,552,576/883,147,212.76
  6. Step 6: Final answer
    x = 671,628,951.40

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1.5x scale

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.