Home / 432,740,570.44-649,117,970.22-121,855,664.20

Finding the Fourth Proportional to 432,740,570.44, 649,117,970.22 and 121,855,664.20

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Solution

The fourth proportional to 432,740,570.44, 649,117,970.22 and 121,855,664.20 is: 182,785,499.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,740,570.44 : 649,117,970.22 = 121,855,664.20 : x
  2. Step 2: Convert to fraction form
    432,740,570.44/649,117,970.22 = 121,855,664.20/x
  3. Step 3: Cross multiply
    432,740,570.44x = 649,117,970.22 × 121,855,664.20
  4. Step 4: Simplify right side
    432,740,570.44x = 79,098,701,405,313,920
  5. Step 5: Solve for x
    x = 79,098,701,405,313,920/432,740,570.44
  6. Step 6: Final answer
    x = 182,785,499.69

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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.