Home / 419,032,964.43-578,265,649.14-242,923,048.07

Finding the Fourth Proportional to 419,032,964.43, 578,265,649.14 and 242,923,048.07

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Solution

The fourth proportional to 419,032,964.43, 578,265,649.14 and 242,923,048.07 is: 335,233,898.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,032,964.43 : 578,265,649.14 = 242,923,048.07 : x
  2. Step 2: Convert to fraction form
    419,032,964.43/578,265,649.14 = 242,923,048.07/x
  3. Step 3: Cross multiply
    419,032,964.43x = 578,265,649.14 × 242,923,048.07
  4. Step 4: Simplify right side
    419,032,964.43x = 140,474,054,080,374,640
  5. Step 5: Solve for x
    x = 140,474,054,080,374,640/419,032,964.43
  6. Step 6: Final answer
    x = 335,233,898.06

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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.