Home / 768,377,075.29-1,151,919,748.09-622,448,751.85

Finding the Fourth Proportional to 768,377,075.29, 1,151,919,748.09 and 622,448,751.85

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Solution

The fourth proportional to 768,377,075.29, 1,151,919,748.09 and 622,448,751.85 is: 933,149,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,377,075.29 : 1,151,919,748.09 = 622,448,751.85 : x
  2. Step 2: Convert to fraction form
    768,377,075.29/1,151,919,748.09 = 622,448,751.85/x
  3. Step 3: Cross multiply
    768,377,075.29x = 1,151,919,748.09 × 622,448,751.85
  4. Step 4: Simplify right side
    768,377,075.29x = 717,011,009,427,854,080
  5. Step 5: Solve for x
    x = 717,011,009,427,854,080/768,377,075.29
  6. Step 6: Final answer
    x = 933,149,924.03

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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.