Home / 356,157,087.10-534,235,630.65-220,108,191.10

Finding the Fourth Proportional to 356,157,087.10, 534,235,630.65 and 220,108,191.10

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Solution

The fourth proportional to 356,157,087.10, 534,235,630.65 and 220,108,191.10 is: 330,162,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,157,087.10 : 534,235,630.65 = 220,108,191.10 : x
  2. Step 2: Convert to fraction form
    356,157,087.10/534,235,630.65 = 220,108,191.10/x
  3. Step 3: Cross multiply
    356,157,087.10x = 534,235,630.65 × 220,108,191.10
  4. Step 4: Simplify right side
    356,157,087.10x = 117,589,638,283,539,216
  5. Step 5: Solve for x
    x = 117,589,638,283,539,216/356,157,087.10
  6. Step 6: Final answer
    x = 330,162,286.65

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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.