Home / 1,149,888,019.70-1,724,832,029.55-459,453,869.30

Finding the Fourth Proportional to 1,149,888,019.70, 1,724,832,029.55 and 459,453,869.30

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Solution

The fourth proportional to 1,149,888,019.70, 1,724,832,029.55 and 459,453,869.30 is: 689,180,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,888,019.70 : 1,724,832,029.55 = 459,453,869.30 : x
  2. Step 2: Convert to fraction form
    1,149,888,019.70/1,724,832,029.55 = 459,453,869.30/x
  3. Step 3: Cross multiply
    1,149,888,019.70x = 1,724,832,029.55 × 459,453,869.30
  4. Step 4: Simplify right side
    1,149,888,019.70x = 792,480,749,869,319,424
  5. Step 5: Solve for x
    x = 792,480,749,869,319,424/1,149,888,019.70
  6. Step 6: Final answer
    x = 689,180,803.95

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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.