Home / 507,895,429.96-700,950,490.26-287,855,236.36

Finding the Fourth Proportional to 507,895,429.96, 700,950,490.26 and 287,855,236.36

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Solution

The fourth proportional to 507,895,429.96, 700,950,490.26 and 287,855,236.36 is: 397,271,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,895,429.96 : 700,950,490.26 = 287,855,236.36 : x
  2. Step 2: Convert to fraction form
    507,895,429.96/700,950,490.26 = 287,855,236.36/x
  3. Step 3: Cross multiply
    507,895,429.96x = 700,950,490.26 × 287,855,236.36
  4. Step 4: Simplify right side
    507,895,429.96x = 201,772,269,050,450,176
  5. Step 5: Solve for x
    x = 201,772,269,050,450,176/507,895,429.96
  6. Step 6: Final answer
    x = 397,271,282.92

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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.