Home / 5,221,314,030.80-7,829,672,769.72-2,767,075,927.76

Finding the Fourth Proportional to 5,221,314,030.80, 7,829,672,769.72 and 2,767,075,927.76

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Solution

The fourth proportional to 5,221,314,030.80, 7,829,672,769.72 and 2,767,075,927.76 is: 4,149,395,902.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221,314,030.80 : 7,829,672,769.72 = 2,767,075,927.76 : x
  2. Step 2: Convert to fraction form
    5,221,314,030.80/7,829,672,769.72 = 2,767,075,927.76/x
  3. Step 3: Cross multiply
    5,221,314,030.80x = 7,829,672,769.72 × 2,767,075,927.76
  4. Step 4: Simplify right side
    5,221,314,030.80x = 21,665,299,043,330,179,072
  5. Step 5: Solve for x
    x = 21,665,299,043,330,179,072/5,221,314,030.80
  6. Step 6: Final answer
    x = 4,149,395,902.17

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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.