Home / 2,607,775,876.80-3,910,320,122.40-971,158,046.40

Finding the Fourth Proportional to 2,607,775,876.80, 3,910,320,122.40 and 971,158,046.40

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Solution

The fourth proportional to 2,607,775,876.80, 3,910,320,122.40 and 971,158,046.40 is: 1,456,236,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607,775,876.80 : 3,910,320,122.40 = 971,158,046.40 : x
  2. Step 2: Convert to fraction form
    2,607,775,876.80/3,910,320,122.40 = 971,158,046.40/x
  3. Step 3: Cross multiply
    2,607,775,876.80x = 3,910,320,122.40 × 971,158,046.40
  4. Step 4: Simplify right side
    2,607,775,876.80x = 3,797,538,850,868,592,640
  5. Step 5: Solve for x
    x = 3,797,538,850,868,592,640/2,607,775,876.80
  6. Step 6: Final answer
    x = 1,456,236,666.91

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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.