Home / 2,161,604,221.79-3,242,848,565.33-743,317,153.19

Finding the Fourth Proportional to 2,161,604,221.79, 3,242,848,565.33 and 743,317,153.19

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Solution

The fourth proportional to 2,161,604,221.79, 3,242,848,565.33 and 743,317,153.19 is: 1,115,127,801.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,604,221.79 : 3,242,848,565.33 = 743,317,153.19 : x
  2. Step 2: Convert to fraction form
    2,161,604,221.79/3,242,848,565.33 = 743,317,153.19/x
  3. Step 3: Cross multiply
    2,161,604,221.79x = 3,242,848,565.33 × 743,317,153.19
  4. Step 4: Simplify right side
    2,161,604,221.79x = 2,410,464,963,803,654,656
  5. Step 5: Solve for x
    x = 2,410,464,963,803,654,656/2,161,604,221.79
  6. Step 6: Final answer
    x = 1,115,127,801.61

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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.