Home / 659,987,816.63-989,366,280.91-222,982,885.91

Finding the Fourth Proportional to 659,987,816.63, 989,366,280.91 and 222,982,885.91

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Solution

The fourth proportional to 659,987,816.63, 989,366,280.91 and 222,982,885.91 is: 334,266,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,987,816.63 : 989,366,280.91 = 222,982,885.91 : x
  2. Step 2: Convert to fraction form
    659,987,816.63/989,366,280.91 = 222,982,885.91/x
  3. Step 3: Cross multiply
    659,987,816.63x = 989,366,280.91 × 222,982,885.91
  4. Step 4: Simplify right side
    659,987,816.63x = 220,611,748,539,355,520
  5. Step 5: Solve for x
    x = 220,611,748,539,355,520/659,987,816.63
  6. Step 6: Final answer
    x = 334,266,395.50

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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.