Home / 8,957,145,830.40-13,425,864,998.40-3,138,060,211.20

Finding the Fourth Proportional to 8,957,145,830.40, 13,425,864,998.40 and 3,138,060,211.20

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Solution

The fourth proportional to 8,957,145,830.40, 13,425,864,998.40 and 3,138,060,211.20 is: 4,703,638,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957,145,830.40 : 13,425,864,998.40 = 3,138,060,211.20 : x
  2. Step 2: Convert to fraction form
    8,957,145,830.40/13,425,864,998.40 = 3,138,060,211.20/x
  3. Step 3: Cross multiply
    8,957,145,830.40x = 13,425,864,998.40 × 3,138,060,211.20
  4. Step 4: Simplify right side
    8,957,145,830.40x = 42,131,172,752,421,789,696
  5. Step 5: Solve for x
    x = 42,131,172,752,421,789,696/8,957,145,830.40
  6. Step 6: Final answer
    x = 4,703,638,139.89

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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.