Home / 531,472,523.70-797,208,785.55-511,065,189.30

Finding the Fourth Proportional to 531,472,523.70, 797,208,785.55 and 511,065,189.30

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Solution

The fourth proportional to 531,472,523.70, 797,208,785.55 and 511,065,189.30 is: 766,597,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,472,523.70 : 797,208,785.55 = 511,065,189.30 : x
  2. Step 2: Convert to fraction form
    531,472,523.70/797,208,785.55 = 511,065,189.30/x
  3. Step 3: Cross multiply
    531,472,523.70x = 797,208,785.55 × 511,065,189.30
  4. Step 4: Simplify right side
    531,472,523.70x = 407,425,658,898,733,824
  5. Step 5: Solve for x
    x = 407,425,658,898,733,824/531,472,523.70
  6. Step 6: Final answer
    x = 766,597,783.95

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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.