Home / 713,512,330.59-1,069,922,476.95-418,503,850.59

Finding the Fourth Proportional to 713,512,330.59, 1,069,922,476.95 and 418,503,850.59

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Solution

The fourth proportional to 713,512,330.59, 1,069,922,476.95 and 418,503,850.59 is: 627,552,821.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,512,330.59 : 1,069,922,476.95 = 418,503,850.59 : x
  2. Step 2: Convert to fraction form
    713,512,330.59/1,069,922,476.95 = 418,503,850.59/x
  3. Step 3: Cross multiply
    713,512,330.59x = 1,069,922,476.95 × 418,503,850.59
  4. Step 4: Simplify right side
    713,512,330.59x = 447,766,676,436,365,504
  5. Step 5: Solve for x
    x = 447,766,676,436,365,504/713,512,330.59
  6. Step 6: Final answer
    x = 627,552,821.78

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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.