Home / 5,531,642,884.52-7,628,842,853.46-3,920,911,938.89

Finding the Fourth Proportional to 5,531,642,884.52, 7,628,842,853.46 and 3,920,911,938.89

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Solution

The fourth proportional to 5,531,642,884.52, 7,628,842,853.46 and 3,920,911,938.89 is: 5,407,438,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531,642,884.52 : 7,628,842,853.46 = 3,920,911,938.89 : x
  2. Step 2: Convert to fraction form
    5,531,642,884.52/7,628,842,853.46 = 3,920,911,938.89/x
  3. Step 3: Cross multiply
    5,531,642,884.52x = 7,628,842,853.46 × 3,920,911,938.89
  4. Step 4: Simplify right side
    5,531,642,884.52x = 29,912,021,024,008,826,880
  5. Step 5: Solve for x
    x = 29,912,021,024,008,826,880/5,531,642,884.52
  6. Step 6: Final answer
    x = 5,407,438,919.77

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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.