Home / 209,822,794.30-314,734,191.45-197,057,712.70

Finding the Fourth Proportional to 209,822,794.30, 314,734,191.45 and 197,057,712.70

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Solution

The fourth proportional to 209,822,794.30, 314,734,191.45 and 197,057,712.70 is: 295,586,569.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822,794.30 : 314,734,191.45 = 197,057,712.70 : x
  2. Step 2: Convert to fraction form
    209,822,794.30/314,734,191.45 = 197,057,712.70/x
  3. Step 3: Cross multiply
    209,822,794.30x = 314,734,191.45 × 197,057,712.70
  4. Step 4: Simplify right side
    209,822,794.30x = 62,020,799,875,620,888
  5. Step 5: Solve for x
    x = 62,020,799,875,620,888/209,822,794.30
  6. Step 6: Final answer
    x = 295,586,569.05

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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.