Home / 419,256,085.14-578,616,450.84-252,046,478.88

Finding the Fourth Proportional to 419,256,085.14, 578,616,450.84 and 252,046,478.88

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Solution

The fourth proportional to 419,256,085.14, 578,616,450.84 and 252,046,478.88 is: 347,850,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,256,085.14 : 578,616,450.84 = 252,046,478.88 : x
  2. Step 2: Convert to fraction form
    419,256,085.14/578,616,450.84 = 252,046,478.88/x
  3. Step 3: Cross multiply
    419,256,085.14x = 578,616,450.84 × 252,046,478.88
  4. Step 4: Simplify right side
    419,256,085.14x = 145,838,239,056,264,608
  5. Step 5: Solve for x
    x = 145,838,239,056,264,608/419,256,085.14
  6. Step 6: Final answer
    x = 347,850,023.47

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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.