Home / 274,267,478.91-378,470,487.03-150,516,127.65

Finding the Fourth Proportional to 274,267,478.91, 378,470,487.03 and 150,516,127.65

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Solution

The fourth proportional to 274,267,478.91, 378,470,487.03 and 150,516,127.65 is: 207,702,030.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,267,478.91 : 378,470,487.03 = 150,516,127.65 : x
  2. Step 2: Convert to fraction form
    274,267,478.91/378,470,487.03 = 150,516,127.65/x
  3. Step 3: Cross multiply
    274,267,478.91x = 378,470,487.03 × 150,516,127.65
  4. Step 4: Simplify right side
    274,267,478.91x = 56,965,912,137,565,144
  5. Step 5: Solve for x
    x = 56,965,912,137,565,144/274,267,478.91
  6. Step 6: Final answer
    x = 207,702,030.02

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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.