Home / 348,391,789.50-480,535,893.45-229,276,430.58

Finding the Fourth Proportional to 348,391,789.50, 480,535,893.45 and 229,276,430.58

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Solution

The fourth proportional to 348,391,789.50, 480,535,893.45 and 229,276,430.58 is: 316,240,387.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,391,789.50 : 480,535,893.45 = 229,276,430.58 : x
  2. Step 2: Convert to fraction form
    348,391,789.50/480,535,893.45 = 229,276,430.58/x
  3. Step 3: Cross multiply
    348,391,789.50x = 480,535,893.45 × 229,276,430.58
  4. Step 4: Simplify right side
    348,391,789.50x = 110,175,554,415,787,200
  5. Step 5: Solve for x
    x = 110,175,554,415,787,200/348,391,789.50
  6. Step 6: Final answer
    x = 316,240,387.22

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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.