Home / 432,420,852.84-648,631,279.26-109,304,724.84

Finding the Fourth Proportional to 432,420,852.84, 648,631,279.26 and 109,304,724.84

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Solution

The fourth proportional to 432,420,852.84, 648,631,279.26 and 109,304,724.84 is: 163,957,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,420,852.84 : 648,631,279.26 = 109,304,724.84 : x
  2. Step 2: Convert to fraction form
    432,420,852.84/648,631,279.26 = 109,304,724.84/x
  3. Step 3: Cross multiply
    432,420,852.84x = 648,631,279.26 × 109,304,724.84
  4. Step 4: Simplify right side
    432,420,852.84x = 70,898,463,502,131,504
  5. Step 5: Solve for x
    x = 70,898,463,502,131,504/432,420,852.84
  6. Step 6: Final answer
    x = 163,957,087.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.