Home / 890,313,043.08-1,228,628,063.63-508,828,713.64

Finding the Fourth Proportional to 890,313,043.08, 1,228,628,063.63 and 508,828,713.64

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Solution

The fourth proportional to 890,313,043.08, 1,228,628,063.63 and 508,828,713.64 is: 702,181,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,313,043.08 : 1,228,628,063.63 = 508,828,713.64 : x
  2. Step 2: Convert to fraction form
    890,313,043.08/1,228,628,063.63 = 508,828,713.64/x
  3. Step 3: Cross multiply
    890,313,043.08x = 1,228,628,063.63 × 508,828,713.64
  4. Step 4: Simplify right side
    890,313,043.08x = 625,161,237,157,057,408
  5. Step 5: Solve for x
    x = 625,161,237,157,057,408/890,313,043.08
  6. Step 6: Final answer
    x = 702,181,375.43

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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.