Home / 559,585,976.30-839,378,964.45-442,684,702.70

Finding the Fourth Proportional to 559,585,976.30, 839,378,964.45 and 442,684,702.70

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Solution

The fourth proportional to 559,585,976.30, 839,378,964.45 and 442,684,702.70 is: 664,027,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,585,976.30 : 839,378,964.45 = 442,684,702.70 : x
  2. Step 2: Convert to fraction form
    559,585,976.30/839,378,964.45 = 442,684,702.70/x
  3. Step 3: Cross multiply
    559,585,976.30x = 839,378,964.45 × 442,684,702.70
  4. Step 4: Simplify right side
    559,585,976.30x = 371,580,227,330,182,144
  5. Step 5: Solve for x
    x = 371,580,227,330,182,144/559,585,976.30
  6. Step 6: Final answer
    x = 664,027,054.05

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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.