Home / 1,738,369,940.70-2,607,554,911.05-1,187,371,911.90

Finding the Fourth Proportional to 1,738,369,940.70, 2,607,554,911.05 and 1,187,371,911.90

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Solution

The fourth proportional to 1,738,369,940.70, 2,607,554,911.05 and 1,187,371,911.90 is: 1,781,057,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,369,940.70 : 2,607,554,911.05 = 1,187,371,911.90 : x
  2. Step 2: Convert to fraction form
    1,738,369,940.70/2,607,554,911.05 = 1,187,371,911.90/x
  3. Step 3: Cross multiply
    1,738,369,940.70x = 2,607,554,911.05 × 1,187,371,911.90
  4. Step 4: Simplify right side
    1,738,369,940.70x = 3,096,137,460,117,673,472
  5. Step 5: Solve for x
    x = 3,096,137,460,117,673,472/1,738,369,940.70
  6. Step 6: Final answer
    x = 1,781,057,867.85

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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.