Home / 660,037,999.55-990,056,999.33-332,386,908.35

Finding the Fourth Proportional to 660,037,999.55, 990,056,999.33 and 332,386,908.35

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Solution

The fourth proportional to 660,037,999.55, 990,056,999.33 and 332,386,908.35 is: 498,580,362.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,037,999.55 : 990,056,999.33 = 332,386,908.35 : x
  2. Step 2: Convert to fraction form
    660,037,999.55/990,056,999.33 = 332,386,908.35/x
  3. Step 3: Cross multiply
    660,037,999.55x = 990,056,999.33 × 332,386,908.35
  4. Step 4: Simplify right side
    660,037,999.55x = 329,081,985,095,914,816
  5. Step 5: Solve for x
    x = 329,081,985,095,914,816/660,037,999.55
  6. Step 6: Final answer
    x = 498,580,362.53

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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.