Home / 514,761,398.46-771,495,843.26-278,401,498.26

Finding the Fourth Proportional to 514,761,398.46, 771,495,843.26 and 278,401,498.26

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Solution

The fourth proportional to 514,761,398.46, 771,495,843.26 and 278,401,498.26 is: 417,252,729.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,761,398.46 : 771,495,843.26 = 278,401,498.26 : x
  2. Step 2: Convert to fraction form
    514,761,398.46/771,495,843.26 = 278,401,498.26/x
  3. Step 3: Cross multiply
    514,761,398.46x = 771,495,843.26 × 278,401,498.26
  4. Step 4: Simplify right side
    514,761,398.46x = 214,785,598,663,554,112
  5. Step 5: Solve for x
    x = 214,785,598,663,554,112/514,761,398.46
  6. Step 6: Final answer
    x = 417,252,729.72

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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.