Home / 1,179,889,558.10-1,769,834,337.15-743,682,785.30

Finding the Fourth Proportional to 1,179,889,558.10, 1,769,834,337.15 and 743,682,785.30

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Solution

The fourth proportional to 1,179,889,558.10, 1,769,834,337.15 and 743,682,785.30 is: 1,115,524,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,889,558.10 : 1,769,834,337.15 = 743,682,785.30 : x
  2. Step 2: Convert to fraction form
    1,179,889,558.10/1,769,834,337.15 = 743,682,785.30/x
  3. Step 3: Cross multiply
    1,179,889,558.10x = 1,769,834,337.15 × 743,682,785.30
  4. Step 4: Simplify right side
    1,179,889,558.10x = 1,316,195,329,371,291,136
  5. Step 5: Solve for x
    x = 1,316,195,329,371,291,136/1,179,889,558.10
  6. Step 6: Final answer
    x = 1,115,524,177.95

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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.