Home / 378,051,451.20-567,077,176.80-255,607,444.80

Finding the Fourth Proportional to 378,051,451.20, 567,077,176.80 and 255,607,444.80

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Solution

The fourth proportional to 378,051,451.20, 567,077,176.80 and 255,607,444.80 is: 383,411,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,051,451.20 : 567,077,176.80 = 255,607,444.80 : x
  2. Step 2: Convert to fraction form
    378,051,451.20/567,077,176.80 = 255,607,444.80/x
  3. Step 3: Cross multiply
    378,051,451.20x = 567,077,176.80 × 255,607,444.80
  4. Step 4: Simplify right side
    378,051,451.20x = 144,949,148,166,245,824
  5. Step 5: Solve for x
    x = 144,949,148,166,245,824/378,051,451.20
  6. Step 6: Final answer
    x = 383,411,167.20

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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.