Home / 551,629,962,001.68-761,268,130,486.92-320,125,557,398.10

Finding the Fourth Proportional to 551,629,962,001.68, 761,268,130,486.92 and 320,125,557,398.10

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Solution

The fourth proportional to 551,629,962,001.68, 761,268,130,486.92 and 320,125,557,398.10 is: 441,784,169,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,629,962,001.68 : 761,268,130,486.92 = 320,125,557,398.10 : x
  2. Step 2: Convert to fraction form
    551,629,962,001.68/761,268,130,486.92 = 320,125,557,398.10/x
  3. Step 3: Cross multiply
    551,629,962,001.68x = 761,268,130,486.92 × 320,125,557,398.10
  4. Step 4: Simplify right side
    551,629,962,001.68x = 243,701,384,601,534,791,155,712
  5. Step 5: Solve for x
    x = 243,701,384,601,534,791,155,712/551,629,962,001.68
  6. Step 6: Final answer
    x = 441,784,169,440.73

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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.