Home / 1,106,639,076.80-1,659,958,615.20-340,734,180.80

Finding the Fourth Proportional to 1,106,639,076.80, 1,659,958,615.20 and 340,734,180.80

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Solution

The fourth proportional to 1,106,639,076.80, 1,659,958,615.20 and 340,734,180.80 is: 511,101,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,639,076.80 : 1,659,958,615.20 = 340,734,180.80 : x
  2. Step 2: Convert to fraction form
    1,106,639,076.80/1,659,958,615.20 = 340,734,180.80/x
  3. Step 3: Cross multiply
    1,106,639,076.80x = 1,659,958,615.20 × 340,734,180.80
  4. Step 4: Simplify right side
    1,106,639,076.80x = 565,604,638,912,074,496
  5. Step 5: Solve for x
    x = 565,604,638,912,074,496/1,106,639,076.80
  6. Step 6: Final answer
    x = 511,101,271.20

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Double scale
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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.