Home / 1,188,903,039.30-1,783,354,558.95-1,005,237,029.70

Finding the Fourth Proportional to 1,188,903,039.30, 1,783,354,558.95 and 1,005,237,029.70

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Solution

The fourth proportional to 1,188,903,039.30, 1,783,354,558.95 and 1,005,237,029.70 is: 1,507,855,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,903,039.30 : 1,783,354,558.95 = 1,005,237,029.70 : x
  2. Step 2: Convert to fraction form
    1,188,903,039.30/1,783,354,558.95 = 1,005,237,029.70/x
  3. Step 3: Cross multiply
    1,188,903,039.30x = 1,783,354,558.95 × 1,005,237,029.70
  4. Step 4: Simplify right side
    1,188,903,039.30x = 1,792,694,039,740,851,712
  5. Step 5: Solve for x
    x = 1,792,694,039,740,851,712/1,188,903,039.30
  6. Step 6: Final answer
    x = 1,507,855,544.55

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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.