Home / 8,649,248,108.78-12,966,890,348.57-7,951,103,860.93

Finding the Fourth Proportional to 8,649,248,108.78, 12,966,890,348.57 and 7,951,103,860.93

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Solution

The fourth proportional to 8,649,248,108.78, 12,966,890,348.57 and 7,951,103,860.93 is: 11,920,237,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,649,248,108.78 : 12,966,890,348.57 = 7,951,103,860.93 : x
  2. Step 2: Convert to fraction form
    8,649,248,108.78/12,966,890,348.57 = 7,951,103,860.93/x
  3. Step 3: Cross multiply
    8,649,248,108.78x = 12,966,890,348.57 × 7,951,103,860.93
  4. Step 4: Simplify right side
    8,649,248,108.78x = 103,101,091,914,697,408,512
  5. Step 5: Solve for x
    x = 103,101,091,914,697,408,512/8,649,248,108.78
  6. Step 6: Final answer
    x = 11,920,237,530.24

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1.5x scale

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.