Home / 663,014,320.20-994,232,759.30-190,209,041.63

Finding the Fourth Proportional to 663,014,320.20, 994,232,759.30 and 190,209,041.63

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Solution

The fourth proportional to 663,014,320.20, 994,232,759.30 and 190,209,041.63 is: 285,230,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,014,320.20 : 994,232,759.30 = 190,209,041.63 : x
  2. Step 2: Convert to fraction form
    663,014,320.20/994,232,759.30 = 190,209,041.63/x
  3. Step 3: Cross multiply
    663,014,320.20x = 994,232,759.30 × 190,209,041.63
  4. Step 4: Simplify right side
    663,014,320.20x = 189,112,060,298,632,288
  5. Step 5: Solve for x
    x = 189,112,060,298,632,288/663,014,320.20
  6. Step 6: Final answer
    x = 285,230,732.64

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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.