Home / 766,408,207.46-1,057,643,751.33-413,984,200.05

Finding the Fourth Proportional to 766,408,207.46, 1,057,643,751.33 and 413,984,200.05

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Solution

The fourth proportional to 766,408,207.46, 1,057,643,751.33 and 413,984,200.05 is: 571,298,425.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,408,207.46 : 1,057,643,751.33 = 413,984,200.05 : x
  2. Step 2: Convert to fraction form
    766,408,207.46/1,057,643,751.33 = 413,984,200.05/x
  3. Step 3: Cross multiply
    766,408,207.46x = 1,057,643,751.33 × 413,984,200.05
  4. Step 4: Simplify right side
    766,408,207.46x = 437,847,802,332,231,232
  5. Step 5: Solve for x
    x = 437,847,802,332,231,232/766,408,207.46
  6. Step 6: Final answer
    x = 571,298,425.66

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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.