Home / 386,677,271,072.32-533,543,797,195.60-215,394,940,070.08

Finding the Fourth Proportional to 386,677,271,072.32, 533,543,797,195.60 and 215,394,940,070.08

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Solution

The fourth proportional to 386,677,271,072.32, 533,543,797,195.60 and 215,394,940,070.08 is: 297,205,558,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,677,271,072.32 : 533,543,797,195.60 = 215,394,940,070.08 : x
  2. Step 2: Convert to fraction form
    386,677,271,072.32/533,543,797,195.60 = 215,394,940,070.08/x
  3. Step 3: Cross multiply
    386,677,271,072.32x = 533,543,797,195.60 × 215,394,940,070.08
  4. Step 4: Simplify right side
    386,677,271,072.32x = 114,922,634,221,709,164,544,000
  5. Step 5: Solve for x
    x = 114,922,634,221,709,164,544,000/386,677,271,072.32
  6. Step 6: Final answer
    x = 297,205,558,276.05

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Why These Related Problems?

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