Home / 511,066,901.40-766,600,352.10-327,400,891.80

Finding the Fourth Proportional to 511,066,901.40, 766,600,352.10 and 327,400,891.80

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Solution

The fourth proportional to 511,066,901.40, 766,600,352.10 and 327,400,891.80 is: 491,101,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,066,901.40 : 766,600,352.10 = 327,400,891.80 : x
  2. Step 2: Convert to fraction form
    511,066,901.40/766,600,352.10 = 327,400,891.80/x
  3. Step 3: Cross multiply
    511,066,901.40x = 766,600,352.10 × 327,400,891.80
  4. Step 4: Simplify right side
    511,066,901.40x = 250,985,638,931,734,016
  5. Step 5: Solve for x
    x = 250,985,638,931,734,016/511,066,901.40
  6. Step 6: Final answer
    x = 491,101,337.70

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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.