Home / 511,880,780,308.62-706,127,663,175.27-316,501,607,125.66

Finding the Fourth Proportional to 511,880,780,308.62, 706,127,663,175.27 and 316,501,607,125.66

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Solution

The fourth proportional to 511,880,780,308.62, 706,127,663,175.27 and 316,501,607,125.66 is: 436,606,625,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,880,780,308.62 : 706,127,663,175.27 = 316,501,607,125.66 : x
  2. Step 2: Convert to fraction form
    511,880,780,308.62/706,127,663,175.27 = 316,501,607,125.66/x
  3. Step 3: Cross multiply
    511,880,780,308.62x = 706,127,663,175.27 × 316,501,607,125.66
  4. Step 4: Simplify right side
    511,880,780,308.62x = 223,490,540,230,859,668,062,208
  5. Step 5: Solve for x
    x = 223,490,540,230,859,668,062,208/511,880,780,308.62
  6. Step 6: Final answer
    x = 436,606,625,660.21

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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.