Home / 874,255,999.67-1,311,240,356.66-313,901,829.05

Finding the Fourth Proportional to 874,255,999.67, 1,311,240,356.66 and 313,901,829.05

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Solution

The fourth proportional to 874,255,999.67, 1,311,240,356.66 and 313,901,829.05 is: 470,801,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,255,999.67 : 1,311,240,356.66 = 313,901,829.05 : x
  2. Step 2: Convert to fraction form
    874,255,999.67/1,311,240,356.66 = 313,901,829.05/x
  3. Step 3: Cross multiply
    874,255,999.67x = 1,311,240,356.66 × 313,901,829.05
  4. Step 4: Simplify right side
    874,255,999.67x = 411,600,746,271,622,656
  5. Step 5: Solve for x
    x = 411,600,746,271,622,656/874,255,999.67
  6. Step 6: Final answer
    x = 470,801,168.57

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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.