Home / 457,393,751.64-631,212,721.38-248,563,346.76

Finding the Fourth Proportional to 457,393,751.64, 631,212,721.38 and 248,563,346.76

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Solution

The fourth proportional to 457,393,751.64, 631,212,721.38 and 248,563,346.76 is: 343,022,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,393,751.64 : 631,212,721.38 = 248,563,346.76 : x
  2. Step 2: Convert to fraction form
    457,393,751.64/631,212,721.38 = 248,563,346.76/x
  3. Step 3: Cross multiply
    457,393,751.64x = 631,212,721.38 × 248,563,346.76
  4. Step 4: Simplify right side
    457,393,751.64x = 156,896,346,543,700,192
  5. Step 5: Solve for x
    x = 156,896,346,543,700,192/457,393,751.64
  6. Step 6: Final answer
    x = 343,022,496.44

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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.