Home / 641,579,712.48-885,380,658.48-348,224,340.96

Finding the Fourth Proportional to 641,579,712.48, 885,380,658.48 and 348,224,340.96

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Solution

The fourth proportional to 641,579,712.48, 885,380,658.48 and 348,224,340.96 is: 480,549,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,579,712.48 : 885,380,658.48 = 348,224,340.96 : x
  2. Step 2: Convert to fraction form
    641,579,712.48/885,380,658.48 = 348,224,340.96/x
  3. Step 3: Cross multiply
    641,579,712.48x = 885,380,658.48 × 348,224,340.96
  4. Step 4: Simplify right side
    641,579,712.48x = 308,311,096,297,928,832
  5. Step 5: Solve for x
    x = 308,311,096,297,928,832/641,579,712.48
  6. Step 6: Final answer
    x = 480,549,946.17

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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.