Home / 1,392,179,414.55-2,089,189,119.86-655,460,006.56

Finding the Fourth Proportional to 1,392,179,414.55, 2,089,189,119.86 and 655,460,006.56

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Solution

The fourth proportional to 1,392,179,414.55, 2,089,189,119.86 and 655,460,006.56 is: 983,623,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,179,414.55 : 2,089,189,119.86 = 655,460,006.56 : x
  2. Step 2: Convert to fraction form
    1,392,179,414.55/2,089,189,119.86 = 655,460,006.56/x
  3. Step 3: Cross multiply
    1,392,179,414.55x = 2,089,189,119.86 × 655,460,006.56
  4. Step 4: Simplify right side
    1,392,179,414.55x = 1,369,379,914,194,792,960
  5. Step 5: Solve for x
    x = 1,369,379,914,194,792,960/1,392,179,414.55
  6. Step 6: Final answer
    x = 983,623,159.40

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1.5x scale

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.