Home / 20,653,112,208.72-30,915,539,917.83-11,186,243,209.20

Finding the Fourth Proportional to 20,653,112,208.72, 30,915,539,917.83 and 11,186,243,209.20

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Solution

The fourth proportional to 20,653,112,208.72, 30,915,539,917.83 and 11,186,243,209.20 is: 16,744,631,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,112,208.72 : 30,915,539,917.83 = 11,186,243,209.20 : x
  2. Step 2: Convert to fraction form
    20,653,112,208.72/30,915,539,917.83 = 11,186,243,209.20/x
  3. Step 3: Cross multiply
    20,653,112,208.72x = 30,915,539,917.83 × 11,186,243,209.20
  4. Step 4: Simplify right side
    20,653,112,208.72x = 345,828,748,464,577,380,352
  5. Step 5: Solve for x
    x = 345,828,748,464,577,380,352/20,653,112,208.72
  6. Step 6: Final answer
    x = 16,744,631,267.66

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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.