Home / 385,718,150.64-531,983,058.84-253,694,682.48

Finding the Fourth Proportional to 385,718,150.64, 531,983,058.84 and 253,694,682.48

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Solution

The fourth proportional to 385,718,150.64, 531,983,058.84 and 253,694,682.48 is: 349,896,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,718,150.64 : 531,983,058.84 = 253,694,682.48 : x
  2. Step 2: Convert to fraction form
    385,718,150.64/531,983,058.84 = 253,694,682.48/x
  3. Step 3: Cross multiply
    385,718,150.64x = 531,983,058.84 × 253,694,682.48
  4. Step 4: Simplify right side
    385,718,150.64x = 134,961,273,197,152,944
  5. Step 5: Solve for x
    x = 134,961,273,197,152,944/385,718,150.64
  6. Step 6: Final answer
    x = 349,896,091.16

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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.