Home / 557,404,361.04-769,221,009.14-306,524,930.52

Finding the Fourth Proportional to 557,404,361.04, 769,221,009.14 and 306,524,930.52

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Solution

The fourth proportional to 557,404,361.04, 769,221,009.14 and 306,524,930.52 is: 423,006,048.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,404,361.04 : 769,221,009.14 = 306,524,930.52 : x
  2. Step 2: Convert to fraction form
    557,404,361.04/769,221,009.14 = 306,524,930.52/x
  3. Step 3: Cross multiply
    557,404,361.04x = 769,221,009.14 × 306,524,930.52
  4. Step 4: Simplify right side
    557,404,361.04x = 235,785,416,381,162,752
  5. Step 5: Solve for x
    x = 235,785,416,381,162,752/557,404,361.04
  6. Step 6: Final answer
    x = 423,006,048.86

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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.