Home / 359,684,122.32-496,376,124.84-220,427,991.36

Finding the Fourth Proportional to 359,684,122.32, 496,376,124.84 and 220,427,991.36

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Solution

The fourth proportional to 359,684,122.32, 496,376,124.84 and 220,427,991.36 is: 304,198,004.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,684,122.32 : 496,376,124.84 = 220,427,991.36 : x
  2. Step 2: Convert to fraction form
    359,684,122.32/496,376,124.84 = 220,427,991.36/x
  3. Step 3: Cross multiply
    359,684,122.32x = 496,376,124.84 × 220,427,991.36
  4. Step 4: Simplify right side
    359,684,122.32x = 109,415,192,157,541,808
  5. Step 5: Solve for x
    x = 109,415,192,157,541,808/359,684,122.32
  6. Step 6: Final answer
    x = 304,198,004.21

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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.