Home / 466,241,142.72-643,496,999.04-278,081,498.88

Finding the Fourth Proportional to 466,241,142.72, 643,496,999.04 and 278,081,498.88

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Solution

The fourth proportional to 466,241,142.72, 643,496,999.04 and 278,081,498.88 is: 383,802,701.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,241,142.72 : 643,496,999.04 = 278,081,498.88 : x
  2. Step 2: Convert to fraction form
    466,241,142.72/643,496,999.04 = 278,081,498.88/x
  3. Step 3: Cross multiply
    466,241,142.72x = 643,496,999.04 × 278,081,498.88
  4. Step 4: Simplify right side
    466,241,142.72x = 178,944,610,017,825,120
  5. Step 5: Solve for x
    x = 178,944,610,017,825,120/466,241,142.72
  6. Step 6: Final answer
    x = 383,802,701.27

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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.