Home / 323,688,107.89-446,724,205.62-198,323,501.05

Finding the Fourth Proportional to 323,688,107.89, 446,724,205.62 and 198,323,501.05

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Solution

The fourth proportional to 323,688,107.89, 446,724,205.62 and 198,323,501.05 is: 273,707,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,688,107.89 : 446,724,205.62 = 198,323,501.05 : x
  2. Step 2: Convert to fraction form
    323,688,107.89/446,724,205.62 = 198,323,501.05/x
  3. Step 3: Cross multiply
    323,688,107.89x = 446,724,205.62 × 198,323,501.05
  4. Step 4: Simplify right side
    323,688,107.89x = 88,595,908,462,338,496
  5. Step 5: Solve for x
    x = 88,595,908,462,338,496/323,688,107.89
  6. Step 6: Final answer
    x = 273,707,641.10

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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.