Home / 511,897,769.83-706,906,805.12-484,009,905.81

Finding the Fourth Proportional to 511,897,769.83, 706,906,805.12 and 484,009,905.81

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Solution

The fourth proportional to 511,897,769.83, 706,906,805.12 and 484,009,905.81 is: 668,394,973.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,897,769.83 : 706,906,805.12 = 484,009,905.81 : x
  2. Step 2: Convert to fraction form
    511,897,769.83/706,906,805.12 = 484,009,905.81/x
  3. Step 3: Cross multiply
    511,897,769.83x = 706,906,805.12 × 484,009,905.81
  4. Step 4: Simplify right side
    511,897,769.83x = 342,149,896,163,789,248
  5. Step 5: Solve for x
    x = 342,149,896,163,789,248/511,897,769.83
  6. Step 6: Final answer
    x = 668,394,973.24

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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.