Home / 609,335,020-914,000,537.40-221,157,333.28

Finding the Fourth Proportional to 609,335,020, 914,000,537.40 and 221,157,333.28

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Solution

The fourth proportional to 609,335,020, 914,000,537.40 and 221,157,333.28 is: 331,735,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,335,020 : 914,000,537.40 = 221,157,333.28 : x
  2. Step 2: Convert to fraction form
    609,335,020/914,000,537.40 = 221,157,333.28/x
  3. Step 3: Cross multiply
    609,335,020x = 914,000,537.40 × 221,157,333.28
  4. Step 4: Simplify right side
    609,335,020x = 202,137,921,467,870,912
  5. Step 5: Solve for x
    x = 202,137,921,467,870,912/609,335,020
  6. Step 6: Final answer
    x = 331,735,276.71

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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.