Home / 5,221,314,029.80-7,829,672,768.22-2,767,075,926.76

Finding the Fourth Proportional to 5,221,314,029.80, 7,829,672,768.22 and 2,767,075,926.76

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Solution

The fourth proportional to 5,221,314,029.80, 7,829,672,768.22 and 2,767,075,926.76 is: 4,149,395,900.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,314,029.80 : 7,829,672,768.22 = 2,767,075,926.76 : x
  2. Step 2: Convert to fraction form
    5,221,314,029.80/7,829,672,768.22 = 2,767,075,926.76/x
  3. Step 3: Cross multiply
    5,221,314,029.80x = 7,829,672,768.22 × 2,767,075,926.76
  4. Step 4: Simplify right side
    5,221,314,029.80x = 21,665,299,031,349,895,168
  5. Step 5: Solve for x
    x = 21,665,299,031,349,895,168/5,221,314,029.80
  6. Step 6: Final answer
    x = 4,149,395,900.67

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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.