Home / 1,940,446,078.40-2,910,669,117.60-776,472,190.40

Finding the Fourth Proportional to 1,940,446,078.40, 2,910,669,117.60 and 776,472,190.40

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Solution

The fourth proportional to 1,940,446,078.40, 2,910,669,117.60 and 776,472,190.40 is: 1,164,708,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,446,078.40 : 2,910,669,117.60 = 776,472,190.40 : x
  2. Step 2: Convert to fraction form
    1,940,446,078.40/2,910,669,117.60 = 776,472,190.40/x
  3. Step 3: Cross multiply
    1,940,446,078.40x = 2,910,669,117.60 × 776,472,190.40
  4. Step 4: Simplify right side
    1,940,446,078.40x = 2,260,053,625,272,507,136
  5. Step 5: Solve for x
    x = 2,260,053,625,272,507,136/1,940,446,078.40
  6. Step 6: Final answer
    x = 1,164,708,285.60

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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.