Home / 511,528,337.66-705,747,963.39-313,082,951.42

Finding the Fourth Proportional to 511,528,337.66, 705,747,963.39 and 313,082,951.42

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Solution

The fourth proportional to 511,528,337.66, 705,747,963.39 and 313,082,951.42 is: 431,955,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,528,337.66 : 705,747,963.39 = 313,082,951.42 : x
  2. Step 2: Convert to fraction form
    511,528,337.66/705,747,963.39 = 313,082,951.42/x
  3. Step 3: Cross multiply
    511,528,337.66x = 705,747,963.39 × 313,082,951.42
  4. Step 4: Simplify right side
    511,528,337.66x = 220,957,655,333,266,592
  5. Step 5: Solve for x
    x = 220,957,655,333,266,592/511,528,337.66
  6. Step 6: Final answer
    x = 431,955,845.00

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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.