Home / 786,396,601.67-1,085,253,375.96-429,183,938.05

Finding the Fourth Proportional to 786,396,601.67, 1,085,253,375.96 and 429,183,938.05

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Solution

The fourth proportional to 786,396,601.67, 1,085,253,375.96 and 429,183,938.05 is: 592,288,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,396,601.67 : 1,085,253,375.96 = 429,183,938.05 : x
  2. Step 2: Convert to fraction form
    786,396,601.67/1,085,253,375.96 = 429,183,938.05/x
  3. Step 3: Cross multiply
    786,396,601.67x = 1,085,253,375.96 × 429,183,938.05
  4. Step 4: Simplify right side
    786,396,601.67x = 465,773,317,673,856,896
  5. Step 5: Solve for x
    x = 465,773,317,673,856,896/786,396,601.67
  6. Step 6: Final answer
    x = 592,288,060.11

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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.