Home / 557,412,852.56-769,278,756.06-306,561,444.39

Finding the Fourth Proportional to 557,412,852.56, 769,278,756.06 and 306,561,444.39

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Solution

The fourth proportional to 557,412,852.56, 769,278,756.06 and 306,561,444.39 is: 423,081,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,412,852.56 : 769,278,756.06 = 306,561,444.39 : x
  2. Step 2: Convert to fraction form
    557,412,852.56/769,278,756.06 = 306,561,444.39/x
  3. Step 3: Cross multiply
    557,412,852.56x = 769,278,756.06 × 306,561,444.39
  4. Step 4: Simplify right side
    557,412,852.56x = 235,831,206,596,296,032
  5. Step 5: Solve for x
    x = 235,831,206,596,296,032/557,412,852.56
  6. Step 6: Final answer
    x = 423,081,752.63

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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.