Home / 1,206,006,607.80-1,809,009,911.70-792,758,086.20

Finding the Fourth Proportional to 1,206,006,607.80, 1,809,009,911.70 and 792,758,086.20

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Solution

The fourth proportional to 1,206,006,607.80, 1,809,009,911.70 and 792,758,086.20 is: 1,189,137,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,006,607.80 : 1,809,009,911.70 = 792,758,086.20 : x
  2. Step 2: Convert to fraction form
    1,206,006,607.80/1,809,009,911.70 = 792,758,086.20/x
  3. Step 3: Cross multiply
    1,206,006,607.80x = 1,809,009,911.70 × 792,758,086.20
  4. Step 4: Simplify right side
    1,206,006,607.80x = 1,434,107,235,516,123,136
  5. Step 5: Solve for x
    x = 1,434,107,235,516,123,136/1,206,006,607.80
  6. Step 6: Final answer
    x = 1,189,137,129.30

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Double scale
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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.