Home / 672,415,301.91-928,230,664.89-434,376,550.90

Finding the Fourth Proportional to 672,415,301.91, 928,230,664.89 and 434,376,550.90

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Solution

The fourth proportional to 672,415,301.91, 928,230,664.89 and 434,376,550.90 is: 599,631,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,415,301.91 : 928,230,664.89 = 434,376,550.90 : x
  2. Step 2: Convert to fraction form
    672,415,301.91/928,230,664.89 = 434,376,550.90/x
  3. Step 3: Cross multiply
    672,415,301.91x = 928,230,664.89 × 434,376,550.90
  4. Step 4: Simplify right side
    672,415,301.91x = 403,201,634,654,531,904
  5. Step 5: Solve for x
    x = 403,201,634,654,531,904/672,415,301.91
  6. Step 6: Final answer
    x = 599,631,854.76

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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.