Home / 617,609,869.20-926,444,596.68-203,077,512.72

Finding the Fourth Proportional to 617,609,869.20, 926,444,596.68 and 203,077,512.72

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Solution

The fourth proportional to 617,609,869.20, 926,444,596.68 and 203,077,512.72 is: 304,626,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,609,869.20 : 926,444,596.68 = 203,077,512.72 : x
  2. Step 2: Convert to fraction form
    617,609,869.20/926,444,596.68 = 203,077,512.72/x
  3. Step 3: Cross multiply
    617,609,869.20x = 926,444,596.68 × 203,077,512.72
  4. Step 4: Simplify right side
    617,609,869.20x = 188,140,064,366,657,952
  5. Step 5: Solve for x
    x = 188,140,064,366,657,952/617,609,869.20
  6. Step 6: Final answer
    x = 304,626,065.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.