Home / 463,764,487.77-639,987,820.20-254,916,142.74

Finding the Fourth Proportional to 463,764,487.77, 639,987,820.20 and 254,916,142.74

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Solution

The fourth proportional to 463,764,487.77, 639,987,820.20 and 254,916,142.74 is: 351,780,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,764,487.77 : 639,987,820.20 = 254,916,142.74 : x
  2. Step 2: Convert to fraction form
    463,764,487.77/639,987,820.20 = 254,916,142.74/x
  3. Step 3: Cross multiply
    463,764,487.77x = 639,987,820.20 × 254,916,142.74
  4. Step 4: Simplify right side
    463,764,487.77x = 163,143,226,525,964,672
  5. Step 5: Solve for x
    x = 163,143,226,525,964,672/463,764,487.77
  6. Step 6: Final answer
    x = 351,780,334.26

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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.