Home / 509,959,397.04-765,095,207.64-261,140,827.28

Finding the Fourth Proportional to 509,959,397.04, 765,095,207.64 and 261,140,827.28

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Solution

The fourth proportional to 509,959,397.04, 765,095,207.64 and 261,140,827.28 is: 391,791,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,959,397.04 : 765,095,207.64 = 261,140,827.28 : x
  2. Step 2: Convert to fraction form
    509,959,397.04/765,095,207.64 = 261,140,827.28/x
  3. Step 3: Cross multiply
    509,959,397.04x = 765,095,207.64 × 261,140,827.28
  4. Step 4: Simplify right side
    509,959,397.04x = 199,797,595,471,072,960
  5. Step 5: Solve for x
    x = 199,797,595,471,072,960/509,959,397.04
  6. Step 6: Final answer
    x = 391,791,183.04

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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.