Home / 777,507,611-1,072,982,898.06-429,849,493.88

Finding the Fourth Proportional to 777,507,611, 1,072,982,898.06 and 429,849,493.88

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Solution

The fourth proportional to 777,507,611, 1,072,982,898.06 and 429,849,493.88 is: 593,204,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,507,611 : 1,072,982,898.06 = 429,849,493.88 : x
  2. Step 2: Convert to fraction form
    777,507,611/1,072,982,898.06 = 429,849,493.88/x
  3. Step 3: Cross multiply
    777,507,611x = 1,072,982,898.06 × 429,849,493.88
  4. Step 4: Simplify right side
    777,507,611x = 461,221,155,672,986,624
  5. Step 5: Solve for x
    x = 461,221,155,672,986,624/777,507,611
  6. Step 6: Final answer
    x = 593,204,682.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.