Home / 10,919,237,841.69-15,068,515,380.12-5,906,983,878.33

Finding the Fourth Proportional to 10,919,237,841.69, 15,068,515,380.12 and 5,906,983,878.33

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Solution

The fourth proportional to 10,919,237,841.69, 15,068,515,380.12 and 5,906,983,878.33 is: 8,151,619,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919,237,841.69 : 15,068,515,380.12 = 5,906,983,878.33 : x
  2. Step 2: Convert to fraction form
    10,919,237,841.69/15,068,515,380.12 = 5,906,983,878.33/x
  3. Step 3: Cross multiply
    10,919,237,841.69x = 15,068,515,380.12 × 5,906,983,878.33
  4. Step 4: Simplify right side
    10,919,237,841.69x = 89,009,477,420,736,495,616
  5. Step 5: Solve for x
    x = 89,009,477,420,736,495,616/10,919,237,841.69
  6. Step 6: Final answer
    x = 8,151,619,985.87

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Double scale
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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.