Home / 699,911,097.84-965,906,660.88-402,553,422.72

Finding the Fourth Proportional to 699,911,097.84, 965,906,660.88 and 402,553,422.72

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Solution

The fourth proportional to 699,911,097.84, 965,906,660.88 and 402,553,422.72 is: 555,540,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,911,097.84 : 965,906,660.88 = 402,553,422.72 : x
  2. Step 2: Convert to fraction form
    699,911,097.84/965,906,660.88 = 402,553,422.72/x
  3. Step 3: Cross multiply
    699,911,097.84x = 965,906,660.88 × 402,553,422.72
  4. Step 4: Simplify right side
    699,911,097.84x = 388,829,032,365,290,368
  5. Step 5: Solve for x
    x = 388,829,032,365,290,368/699,911,097.84
  6. Step 6: Final answer
    x = 555,540,601.61

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.