Home / 556,616,646.26-768,140,223.27-305,744,235.38

Finding the Fourth Proportional to 556,616,646.26, 768,140,223.27 and 305,744,235.38

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Solution

The fourth proportional to 556,616,646.26, 768,140,223.27 and 305,744,235.38 is: 421,932,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,616,646.26 : 768,140,223.27 = 305,744,235.38 : x
  2. Step 2: Convert to fraction form
    556,616,646.26/768,140,223.27 = 305,744,235.38/x
  3. Step 3: Cross multiply
    556,616,646.26x = 768,140,223.27 × 305,744,235.38
  4. Step 4: Simplify right side
    556,616,646.26x = 234,854,445,228,308,608
  5. Step 5: Solve for x
    x = 234,854,445,228,308,608/556,616,646.26
  6. Step 6: Final answer
    x = 421,932,126.55

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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.