Home / 541,128,653.10-812,171,276.55-463,644,555.30

Finding the Fourth Proportional to 541,128,653.10, 812,171,276.55 and 463,644,555.30

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Solution

The fourth proportional to 541,128,653.10, 812,171,276.55 and 463,644,555.30 is: 695,876,642.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,128,653.10 : 812,171,276.55 = 463,644,555.30 : x
  2. Step 2: Convert to fraction form
    541,128,653.10/812,171,276.55 = 463,644,555.30/x
  3. Step 3: Cross multiply
    541,128,653.10x = 812,171,276.55 × 463,644,555.30
  4. Step 4: Simplify right side
    541,128,653.10x = 376,558,790,343,458,048
  5. Step 5: Solve for x
    x = 376,558,790,343,458,048/541,128,653.10
  6. Step 6: Final answer
    x = 695,876,642.62

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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.