Home / 12,757,248,000.80-19,135,872,001.20-7,833,957,581.60

Finding the Fourth Proportional to 12,757,248,000.80, 19,135,872,001.20 and 7,833,957,581.60

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Solution

The fourth proportional to 12,757,248,000.80, 19,135,872,001.20 and 7,833,957,581.60 is: 11,750,936,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,757,248,000.80 : 19,135,872,001.20 = 7,833,957,581.60 : x
  2. Step 2: Convert to fraction form
    12,757,248,000.80/19,135,872,001.20 = 7,833,957,581.60/x
  3. Step 3: Cross multiply
    12,757,248,000.80x = 19,135,872,001.20 × 7,833,957,581.60
  4. Step 4: Simplify right side
    12,757,248,000.80x = 149,909,609,544,327,921,664
  5. Step 5: Solve for x
    x = 149,909,609,544,327,921,664/12,757,248,000.80
  6. Step 6: Final answer
    x = 11,750,936,372.40

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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.