Home / 1,308,103,872.53-1,961,365,486.50-521,278,571.93

Finding the Fourth Proportional to 1,308,103,872.53, 1,961,365,486.50 and 521,278,571.93

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Solution

The fourth proportional to 1,308,103,872.53, 1,961,365,486.50 and 521,278,571.93 is: 781,602,914.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,103,872.53 : 1,961,365,486.50 = 521,278,571.93 : x
  2. Step 2: Convert to fraction form
    1,308,103,872.53/1,961,365,486.50 = 521,278,571.93/x
  3. Step 3: Cross multiply
    1,308,103,872.53x = 1,961,365,486.50 × 521,278,571.93
  4. Step 4: Simplify right side
    1,308,103,872.53x = 1,022,417,799,825,702,912
  5. Step 5: Solve for x
    x = 1,022,417,799,825,702,912/1,308,103,872.53
  6. Step 6: Final answer
    x = 781,602,914.95

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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.