Home / 323,688,109.89-446,724,208.38-198,323,503.05

Finding the Fourth Proportional to 323,688,109.89, 446,724,208.38 and 198,323,503.05

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Solution

The fourth proportional to 323,688,109.89, 446,724,208.38 and 198,323,503.05 is: 273,707,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,688,109.89 : 446,724,208.38 = 198,323,503.05 : x
  2. Step 2: Convert to fraction form
    323,688,109.89/446,724,208.38 = 198,323,503.05/x
  3. Step 3: Cross multiply
    323,688,109.89x = 446,724,208.38 × 198,323,503.05
  4. Step 4: Simplify right side
    323,688,109.89x = 88,595,909,903,159,776
  5. Step 5: Solve for x
    x = 88,595,909,903,159,776/323,688,109.89
  6. Step 6: Final answer
    x = 273,707,643.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.