Home / 934,905,770.28-1,290,171,218.94-511,559,205.48

Finding the Fourth Proportional to 934,905,770.28, 1,290,171,218.94 and 511,559,205.48

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Solution

The fourth proportional to 934,905,770.28, 1,290,171,218.94 and 511,559,205.48 is: 705,952,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,905,770.28 : 1,290,171,218.94 = 511,559,205.48 : x
  2. Step 2: Convert to fraction form
    934,905,770.28/1,290,171,218.94 = 511,559,205.48/x
  3. Step 3: Cross multiply
    934,905,770.28x = 1,290,171,218.94 × 511,559,205.48
  4. Step 4: Simplify right side
    934,905,770.28x = 659,998,963,694,109,568
  5. Step 5: Solve for x
    x = 659,998,963,694,109,568/934,905,770.28
  6. Step 6: Final answer
    x = 705,952,390.79

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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.