Home / 464,959,907.45-641,644,707.36-256,116,050.10

Finding the Fourth Proportional to 464,959,907.45, 641,644,707.36 and 256,116,050.10

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Solution

The fourth proportional to 464,959,907.45, 641,644,707.36 and 256,116,050.10 is: 353,440,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,959,907.45 : 641,644,707.36 = 256,116,050.10 : x
  2. Step 2: Convert to fraction form
    464,959,907.45/641,644,707.36 = 256,116,050.10/x
  3. Step 3: Cross multiply
    464,959,907.45x = 641,644,707.36 × 256,116,050.10
  4. Step 4: Simplify right side
    464,959,907.45x = 164,335,508,012,124,800
  5. Step 5: Solve for x
    x = 164,335,508,012,124,800/464,959,907.45
  6. Step 6: Final answer
    x = 353,440,168.45

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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.