Home / 647,120,690.55-970,681,035.83-449,105,773.95

Finding the Fourth Proportional to 647,120,690.55, 970,681,035.83 and 449,105,773.95

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Solution

The fourth proportional to 647,120,690.55, 970,681,035.83 and 449,105,773.95 is: 673,658,660.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,120,690.55 : 970,681,035.83 = 449,105,773.95 : x
  2. Step 2: Convert to fraction form
    647,120,690.55/970,681,035.83 = 449,105,773.95/x
  3. Step 3: Cross multiply
    647,120,690.55x = 970,681,035.83 × 449,105,773.95
  4. Step 4: Simplify right side
    647,120,690.55x = 435,938,457,852,774,336
  5. Step 5: Solve for x
    x = 435,938,457,852,774,336/647,120,690.55
  6. Step 6: Final answer
    x = 673,658,660.93

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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.