Home / 472,392,486.20-708,588,729.30-440,107,445.45

Finding the Fourth Proportional to 472,392,486.20, 708,588,729.30 and 440,107,445.45

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Solution

The fourth proportional to 472,392,486.20, 708,588,729.30 and 440,107,445.45 is: 660,161,168.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,486.20 : 708,588,729.30 = 440,107,445.45 : x
  2. Step 2: Convert to fraction form
    472,392,486.20/708,588,729.30 = 440,107,445.45/x
  3. Step 3: Cross multiply
    472,392,486.20x = 708,588,729.30 × 440,107,445.45
  4. Step 4: Simplify right side
    472,392,486.20x = 311,855,175,526,884,544
  5. Step 5: Solve for x
    x = 311,855,175,526,884,544/472,392,486.20
  6. Step 6: Final answer
    x = 660,161,168.18

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