Home / 432,585,458.89-647,802,020.32-302,584,361.47

Finding the Fourth Proportional to 432,585,458.89, 647,802,020.32 and 302,584,361.47

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Solution

The fourth proportional to 432,585,458.89, 647,802,020.32 and 302,584,361.47 is: 453,123,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,585,458.89 : 647,802,020.32 = 302,584,361.47 : x
  2. Step 2: Convert to fraction form
    432,585,458.89/647,802,020.32 = 302,584,361.47/x
  3. Step 3: Cross multiply
    432,585,458.89x = 647,802,020.32 × 302,584,361.47
  4. Step 4: Simplify right side
    432,585,458.89x = 196,014,760,675,127,168
  5. Step 5: Solve for x
    x = 196,014,760,675,127,168/432,585,458.89
  6. Step 6: Final answer
    x = 453,123,785.48

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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.