Home / 511,828,963.84-706,306,402.56-291,883,179.52

Finding the Fourth Proportional to 511,828,963.84, 706,306,402.56 and 291,883,179.52

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Solution

The fourth proportional to 511,828,963.84, 706,306,402.56 and 291,883,179.52 is: 402,788,769.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,828,963.84 : 706,306,402.56 = 291,883,179.52 : x
  2. Step 2: Convert to fraction form
    511,828,963.84/706,306,402.56 = 291,883,179.52/x
  3. Step 3: Cross multiply
    511,828,963.84x = 706,306,402.56 × 291,883,179.52
  4. Step 4: Simplify right side
    511,828,963.84x = 206,158,958,494,545,824
  5. Step 5: Solve for x
    x = 206,158,958,494,545,824/511,828,963.84
  6. Step 6: Final answer
    x = 402,788,769.41

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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.