Home / 432,379,057.71-649,215,763.65-374,266,968.51

Finding the Fourth Proportional to 432,379,057.71, 649,215,763.65 and 374,266,968.51

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Solution

The fourth proportional to 432,379,057.71, 649,215,763.65 and 374,266,968.51 is: 561,960,648.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,379,057.71 : 649,215,763.65 = 374,266,968.51 : x
  2. Step 2: Convert to fraction form
    432,379,057.71/649,215,763.65 = 374,266,968.51/x
  3. Step 3: Cross multiply
    432,379,057.71x = 649,215,763.65 × 374,266,968.51
  4. Step 4: Simplify right side
    432,379,057.71x = 242,980,015,770,190,144
  5. Step 5: Solve for x
    x = 242,980,015,770,190,144/432,379,057.71
  6. Step 6: Final answer
    x = 561,960,648.74

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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.