Home / 653,426,017.50-901,722,911.72-356,067,340.17

Finding the Fourth Proportional to 653,426,017.50, 901,722,911.72 and 356,067,340.17

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Solution

The fourth proportional to 653,426,017.50, 901,722,911.72 and 356,067,340.17 is: 491,370,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,426,017.50 : 901,722,911.72 = 356,067,340.17 : x
  2. Step 2: Convert to fraction form
    653,426,017.50/901,722,911.72 = 356,067,340.17/x
  3. Step 3: Cross multiply
    653,426,017.50x = 901,722,911.72 × 356,067,340.17
  4. Step 4: Simplify right side
    653,426,017.50x = 321,074,078,744,707,840
  5. Step 5: Solve for x
    x = 321,074,078,744,707,840/653,426,017.50
  6. Step 6: Final answer
    x = 491,370,208.94

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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.