Home / 286,943,998.40-430,415,997.60-264,773,067.20

Finding the Fourth Proportional to 286,943,998.40, 430,415,997.60 and 264,773,067.20

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Solution

The fourth proportional to 286,943,998.40, 430,415,997.60 and 264,773,067.20 is: 397,159,600.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,943,998.40 : 430,415,997.60 = 264,773,067.20 : x
  2. Step 2: Convert to fraction form
    286,943,998.40/430,415,997.60 = 264,773,067.20/x
  3. Step 3: Cross multiply
    286,943,998.40x = 430,415,997.60 × 264,773,067.20
  4. Step 4: Simplify right side
    286,943,998.40x = 113,962,563,856,499,840
  5. Step 5: Solve for x
    x = 113,962,563,856,499,840/286,943,998.40
  6. Step 6: Final answer
    x = 397,159,600.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.