Home / 8,921,205,789.68-12,311,270,304-4,907,181,455.84

Finding the Fourth Proportional to 8,921,205,789.68, 12,311,270,304 and 4,907,181,455.84

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Solution

The fourth proportional to 8,921,205,789.68, 12,311,270,304 and 4,907,181,455.84 is: 6,771,913,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,205,789.68 : 12,311,270,304 = 4,907,181,455.84 : x
  2. Step 2: Convert to fraction form
    8,921,205,789.68/12,311,270,304 = 4,907,181,455.84/x
  3. Step 3: Cross multiply
    8,921,205,789.68x = 12,311,270,304 × 4,907,181,455.84
  4. Step 4: Simplify right side
    8,921,205,789.68x = 60,413,637,333,622,480,896
  5. Step 5: Solve for x
    x = 60,413,637,333,622,480,896/8,921,205,789.68
  6. Step 6: Final answer
    x = 6,771,913,882.26

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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.