Home / 667,341,668.55-1,001,012,502.83-394,572,030.15

Finding the Fourth Proportional to 667,341,668.55, 1,001,012,502.83 and 394,572,030.15

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Solution

The fourth proportional to 667,341,668.55, 1,001,012,502.83 and 394,572,030.15 is: 591,858,045.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,341,668.55 : 1,001,012,502.83 = 394,572,030.15 : x
  2. Step 2: Convert to fraction form
    667,341,668.55/1,001,012,502.83 = 394,572,030.15/x
  3. Step 3: Cross multiply
    667,341,668.55x = 1,001,012,502.83 × 394,572,030.15
  4. Step 4: Simplify right side
    667,341,668.55x = 394,971,535,445,192,832
  5. Step 5: Solve for x
    x = 394,971,535,445,192,832/667,341,668.55
  6. Step 6: Final answer
    x = 591,858,045.23

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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.