Home / 836,653,107.61-1,255,132,888.41-345,098,228.46

Finding the Fourth Proportional to 836,653,107.61, 1,255,132,888.41 and 345,098,228.46

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Solution

The fourth proportional to 836,653,107.61, 1,255,132,888.41 and 345,098,228.46 is: 517,710,544.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,653,107.61 : 1,255,132,888.41 = 345,098,228.46 : x
  2. Step 2: Convert to fraction form
    836,653,107.61/1,255,132,888.41 = 345,098,228.46/x
  3. Step 3: Cross multiply
    836,653,107.61x = 1,255,132,888.41 × 345,098,228.46
  4. Step 4: Simplify right side
    836,653,107.61x = 433,144,136,266,811,392
  5. Step 5: Solve for x
    x = 433,144,136,266,811,392/836,653,107.61
  6. Step 6: Final answer
    x = 517,710,544.94

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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.