Home / 768,377,075.73-1,151,919,748.75-622,448,752.29

Finding the Fourth Proportional to 768,377,075.73, 1,151,919,748.75 and 622,448,752.29

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Solution

The fourth proportional to 768,377,075.73, 1,151,919,748.75 and 622,448,752.29 is: 933,149,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,377,075.73 : 1,151,919,748.75 = 622,448,752.29 : x
  2. Step 2: Convert to fraction form
    768,377,075.73/1,151,919,748.75 = 622,448,752.29/x
  3. Step 3: Cross multiply
    768,377,075.73x = 1,151,919,748.75 × 622,448,752.29
  4. Step 4: Simplify right side
    768,377,075.73x = 717,011,010,347,647,744
  5. Step 5: Solve for x
    x = 717,011,010,347,647,744/768,377,075.73
  6. Step 6: Final answer
    x = 933,149,924.69

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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.