Home / 1,518,620,109.38-2,277,700,003.63-413,311,098.32

Finding the Fourth Proportional to 1,518,620,109.38, 2,277,700,003.63 and 413,311,098.32

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Solution

The fourth proportional to 1,518,620,109.38, 2,277,700,003.63 and 413,311,098.32 is: 619,904,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,620,109.38 : 2,277,700,003.63 = 413,311,098.32 : x
  2. Step 2: Convert to fraction form
    1,518,620,109.38/2,277,700,003.63 = 413,311,098.32/x
  3. Step 3: Cross multiply
    1,518,620,109.38x = 2,277,700,003.63 × 413,311,098.32
  4. Step 4: Simplify right side
    1,518,620,109.38x = 941,398,690,143,783,296
  5. Step 5: Solve for x
    x = 941,398,690,143,783,296/1,518,620,109.38
  6. Step 6: Final answer
    x = 619,904,006.49

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1.5x scale

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.