Home / 1,212,776,777.40-1,819,165,166.10-1,202,573,110.20

Finding the Fourth Proportional to 1,212,776,777.40, 1,819,165,166.10 and 1,202,573,110.20

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Solution

The fourth proportional to 1,212,776,777.40, 1,819,165,166.10 and 1,202,573,110.20 is: 1,803,859,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,776,777.40 : 1,819,165,166.10 = 1,202,573,110.20 : x
  2. Step 2: Convert to fraction form
    1,212,776,777.40/1,819,165,166.10 = 1,202,573,110.20/x
  3. Step 3: Cross multiply
    1,212,776,777.40x = 1,819,165,166.10 × 1,202,573,110.20
  4. Step 4: Simplify right side
    1,212,776,777.40x = 2,187,679,111,764,376,576
  5. Step 5: Solve for x
    x = 2,187,679,111,764,376,576/1,212,776,777.40
  6. Step 6: Final answer
    x = 1,803,859,665.30

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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.