Home / 657,923,653.20-986,885,479.80-511,564,801.80

Finding the Fourth Proportional to 657,923,653.20, 986,885,479.80 and 511,564,801.80

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Solution

The fourth proportional to 657,923,653.20, 986,885,479.80 and 511,564,801.80 is: 767,347,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,923,653.20 : 986,885,479.80 = 511,564,801.80 : x
  2. Step 2: Convert to fraction form
    657,923,653.20/986,885,479.80 = 511,564,801.80/x
  3. Step 3: Cross multiply
    657,923,653.20x = 986,885,479.80 × 511,564,801.80
  4. Step 4: Simplify right side
    657,923,653.20x = 504,855,874,873,184,896
  5. Step 5: Solve for x
    x = 504,855,874,873,184,896/657,923,653.20
  6. Step 6: Final answer
    x = 767,347,202.70

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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.