Home / 252,170,465.60-378,255,698.40-209,123,744.60

Finding the Fourth Proportional to 252,170,465.60, 378,255,698.40 and 209,123,744.60

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Solution

The fourth proportional to 252,170,465.60, 378,255,698.40 and 209,123,744.60 is: 313,685,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,170,465.60 : 378,255,698.40 = 209,123,744.60 : x
  2. Step 2: Convert to fraction form
    252,170,465.60/378,255,698.40 = 209,123,744.60/x
  3. Step 3: Cross multiply
    252,170,465.60x = 378,255,698.40 × 209,123,744.60
  4. Step 4: Simplify right side
    252,170,465.60x = 79,102,248,065,696,224
  5. Step 5: Solve for x
    x = 79,102,248,065,696,224/252,170,465.60
  6. Step 6: Final answer
    x = 313,685,616.90

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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.