Home / 1,283,872,218.75-1,926,467,259.21-611,588,652.30

Finding the Fourth Proportional to 1,283,872,218.75, 1,926,467,259.21 and 611,588,652.30

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Solution

The fourth proportional to 1,283,872,218.75, 1,926,467,259.21 and 611,588,652.30 is: 917,696,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,872,218.75 : 1,926,467,259.21 = 611,588,652.30 : x
  2. Step 2: Convert to fraction form
    1,283,872,218.75/1,926,467,259.21 = 611,588,652.30/x
  3. Step 3: Cross multiply
    1,283,872,218.75x = 1,926,467,259.21 × 611,588,652.30
  4. Step 4: Simplify right side
    1,283,872,218.75x = 1,178,205,514,760,318,720
  5. Step 5: Solve for x
    x = 1,178,205,514,760,318,720/1,283,872,218.75
  6. Step 6: Final answer
    x = 917,696,868.55

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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.