Home / 10,858,029,486.40-16,287,044,229.60-3,878,721,121.60

Finding the Fourth Proportional to 10,858,029,486.40, 16,287,044,229.60 and 3,878,721,121.60

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Solution

The fourth proportional to 10,858,029,486.40, 16,287,044,229.60 and 3,878,721,121.60 is: 5,818,081,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858,029,486.40 : 16,287,044,229.60 = 3,878,721,121.60 : x
  2. Step 2: Convert to fraction form
    10,858,029,486.40/16,287,044,229.60 = 3,878,721,121.60/x
  3. Step 3: Cross multiply
    10,858,029,486.40x = 16,287,044,229.60 × 3,878,721,121.60
  4. Step 4: Simplify right side
    10,858,029,486.40x = 63,172,902,461,782,917,120
  5. Step 5: Solve for x
    x = 63,172,902,461,782,917,120/10,858,029,486.40
  6. Step 6: Final answer
    x = 5,818,081,682.40

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Double scale
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1.5x scale

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.