Home / 808,262,561.55-1,212,393,842.33-517,697,194.80

Finding the Fourth Proportional to 808,262,561.55, 1,212,393,842.33 and 517,697,194.80

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Solution

The fourth proportional to 808,262,561.55, 1,212,393,842.33 and 517,697,194.80 is: 776,545,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,262,561.55 : 1,212,393,842.33 = 517,697,194.80 : x
  2. Step 2: Convert to fraction form
    808,262,561.55/1,212,393,842.33 = 517,697,194.80/x
  3. Step 3: Cross multiply
    808,262,561.55x = 1,212,393,842.33 × 517,697,194.80
  4. Step 4: Simplify right side
    808,262,561.55x = 627,652,891,164,446,080
  5. Step 5: Solve for x
    x = 627,652,891,164,446,080/808,262,561.55
  6. Step 6: Final answer
    x = 776,545,792.20

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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.