Home / 713,512,332.60-1,069,922,479.94-418,503,852.60

Finding the Fourth Proportional to 713,512,332.60, 1,069,922,479.94 and 418,503,852.60

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Solution

The fourth proportional to 713,512,332.60, 1,069,922,479.94 and 418,503,852.60 is: 627,552,824.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,512,332.60 : 1,069,922,479.94 = 418,503,852.60 : x
  2. Step 2: Convert to fraction form
    713,512,332.60/1,069,922,479.94 = 418,503,852.60/x
  3. Step 3: Cross multiply
    713,512,332.60x = 1,069,922,479.94 × 418,503,852.60
  4. Step 4: Simplify right side
    713,512,332.60x = 447,766,679,838,236,288
  5. Step 5: Solve for x
    x = 447,766,679,838,236,288/713,512,332.60
  6. Step 6: Final answer
    x = 627,552,824.78

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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.