Home / 413,384,772.30-620,077,158.45-410,514,990.90

Finding the Fourth Proportional to 413,384,772.30, 620,077,158.45 and 410,514,990.90

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Solution

The fourth proportional to 413,384,772.30, 620,077,158.45 and 410,514,990.90 is: 615,772,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,384,772.30 : 620,077,158.45 = 410,514,990.90 : x
  2. Step 2: Convert to fraction form
    413,384,772.30/620,077,158.45 = 410,514,990.90/x
  3. Step 3: Cross multiply
    413,384,772.30x = 620,077,158.45 × 410,514,990.90
  4. Step 4: Simplify right side
    413,384,772.30x = 254,550,969,058,399,616
  5. Step 5: Solve for x
    x = 254,550,969,058,399,616/413,384,772.30
  6. Step 6: Final answer
    x = 615,772,486.35

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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.