Home / 8,125,634,439.84-11,202,040,385.28-5,449,892,777.76

Finding the Fourth Proportional to 8,125,634,439.84, 11,202,040,385.28 and 5,449,892,777.76

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Solution

The fourth proportional to 8,125,634,439.84, 11,202,040,385.28 and 5,449,892,777.76 is: 7,513,249,512.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125,634,439.84 : 11,202,040,385.28 = 5,449,892,777.76 : x
  2. Step 2: Convert to fraction form
    8,125,634,439.84/11,202,040,385.28 = 5,449,892,777.76/x
  3. Step 3: Cross multiply
    8,125,634,439.84x = 11,202,040,385.28 × 5,449,892,777.76
  4. Step 4: Simplify right side
    8,125,634,439.84x = 61,049,918,991,913,328,640
  5. Step 5: Solve for x
    x = 61,049,918,991,913,328,640/8,125,634,439.84
  6. Step 6: Final answer
    x = 7,513,249,512.26

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1.5x scale

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.