Home / 1,518,251,520.72-2,277,477,208.18-397,802,614.43

Finding the Fourth Proportional to 1,518,251,520.72, 2,277,477,208.18 and 397,802,614.43

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Solution

The fourth proportional to 1,518,251,520.72, 2,277,477,208.18 and 397,802,614.43 is: 596,730,103.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,251,520.72 : 2,277,477,208.18 = 397,802,614.43 : x
  2. Step 2: Convert to fraction form
    1,518,251,520.72/2,277,477,208.18 = 397,802,614.43/x
  3. Step 3: Cross multiply
    1,518,251,520.72x = 2,277,477,208.18 × 397,802,614.43
  4. Step 4: Simplify right side
    1,518,251,520.72x = 905,986,387,717,746,816
  5. Step 5: Solve for x
    x = 905,986,387,717,746,816/1,518,251,520.72
  6. Step 6: Final answer
    x = 596,730,103.91

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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.