Home / 847,311,266.33-1,169,259,724.49-465,830,523.80

Finding the Fourth Proportional to 847,311,266.33, 1,169,259,724.49 and 465,830,523.80

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Solution

The fourth proportional to 847,311,266.33, 1,169,259,724.49 and 465,830,523.80 is: 642,829,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,311,266.33 : 1,169,259,724.49 = 465,830,523.80 : x
  2. Step 2: Convert to fraction form
    847,311,266.33/1,169,259,724.49 = 465,830,523.80/x
  3. Step 3: Cross multiply
    847,311,266.33x = 1,169,259,724.49 × 465,830,523.80
  4. Step 4: Simplify right side
    847,311,266.33x = 544,676,869,917,420,416
  5. Step 5: Solve for x
    x = 544,676,869,917,420,416/847,311,266.33
  6. Step 6: Final answer
    x = 642,829,726.88

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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.