Home / 307,250,819.72-424,038,990.07-188,252,384.32

Finding the Fourth Proportional to 307,250,819.72, 424,038,990.07 and 188,252,384.32

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Solution

The fourth proportional to 307,250,819.72, 424,038,990.07 and 188,252,384.32 is: 259,808,422.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,250,819.72 : 424,038,990.07 = 188,252,384.32 : x
  2. Step 2: Convert to fraction form
    307,250,819.72/424,038,990.07 = 188,252,384.32/x
  3. Step 3: Cross multiply
    307,250,819.72x = 424,038,990.07 × 188,252,384.32
  4. Step 4: Simplify right side
    307,250,819.72x = 79,826,350,925,322,304
  5. Step 5: Solve for x
    x = 79,826,350,925,322,304/307,250,819.72
  6. Step 6: Final answer
    x = 259,808,422.96

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1.5x scale

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.