Home / 677,815,333.56-935,333,826.55-380,400,135.19

Finding the Fourth Proportional to 677,815,333.56, 935,333,826.55 and 380,400,135.19

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Solution

The fourth proportional to 677,815,333.56, 935,333,826.55 and 380,400,135.19 is: 524,923,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,815,333.56 : 935,333,826.55 = 380,400,135.19 : x
  2. Step 2: Convert to fraction form
    677,815,333.56/935,333,826.55 = 380,400,135.19/x
  3. Step 3: Cross multiply
    677,815,333.56x = 935,333,826.55 × 380,400,135.19
  4. Step 4: Simplify right side
    677,815,333.56x = 355,801,114,064,110,656
  5. Step 5: Solve for x
    x = 355,801,114,064,110,656/677,815,333.56
  6. Step 6: Final answer
    x = 524,923,377.28

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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.