Home / 457,971,415.52-687,247,678.49-195,657,942.77

Finding the Fourth Proportional to 457,971,415.52, 687,247,678.49 and 195,657,942.77

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Solution

The fourth proportional to 457,971,415.52, 687,247,678.49 and 195,657,942.77 is: 293,611,047.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,971,415.52 : 687,247,678.49 = 195,657,942.77 : x
  2. Step 2: Convert to fraction form
    457,971,415.52/687,247,678.49 = 195,657,942.77/x
  3. Step 3: Cross multiply
    457,971,415.52x = 687,247,678.49 × 195,657,942.77
  4. Step 4: Simplify right side
    457,971,415.52x = 134,465,466,942,397,248
  5. Step 5: Solve for x
    x = 134,465,466,942,397,248/457,971,415.52
  6. Step 6: Final answer
    x = 293,611,047.30

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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.