Home / 457,971,416.52-687,247,679.99-195,657,943.77

Finding the Fourth Proportional to 457,971,416.52, 687,247,679.99 and 195,657,943.77

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Solution

The fourth proportional to 457,971,416.52, 687,247,679.99 and 195,657,943.77 is: 293,611,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,971,416.52 : 687,247,679.99 = 195,657,943.77 : x
  2. Step 2: Convert to fraction form
    457,971,416.52/687,247,679.99 = 195,657,943.77/x
  3. Step 3: Cross multiply
    457,971,416.52x = 687,247,679.99 × 195,657,943.77
  4. Step 4: Simplify right side
    457,971,416.52x = 134,465,467,923,131,840
  5. Step 5: Solve for x
    x = 134,465,467,923,131,840/457,971,416.52
  6. Step 6: Final answer
    x = 293,611,048.80

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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.