Home / 511,651,167.36-706,080,738-276,701,827.68

Finding the Fourth Proportional to 511,651,167.36, 706,080,738 and 276,701,827.68

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Solution

The fourth proportional to 511,651,167.36, 706,080,738 and 276,701,827.68 is: 381,849,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,651,167.36 : 706,080,738 = 276,701,827.68 : x
  2. Step 2: Convert to fraction form
    511,651,167.36/706,080,738 = 276,701,827.68/x
  3. Step 3: Cross multiply
    511,651,167.36x = 706,080,738 × 276,701,827.68
  4. Step 4: Simplify right side
    511,651,167.36x = 195,373,830,694,243,232
  5. Step 5: Solve for x
    x = 195,373,830,694,243,232/511,651,167.36
  6. Step 6: Final answer
    x = 381,849,672.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.