Home / 507,895,429.71-700,950,489.92-287,855,236.11

Finding the Fourth Proportional to 507,895,429.71, 700,950,489.92 and 287,855,236.11

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Solution

The fourth proportional to 507,895,429.71, 700,950,489.92 and 287,855,236.11 is: 397,271,282.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,895,429.71 : 700,950,489.92 = 287,855,236.11 : x
  2. Step 2: Convert to fraction form
    507,895,429.71/700,950,489.92 = 287,855,236.11/x
  3. Step 3: Cross multiply
    507,895,429.71x = 700,950,489.92 × 287,855,236.11
  4. Step 4: Simplify right side
    507,895,429.71x = 201,772,268,775,902,496
  5. Step 5: Solve for x
    x = 201,772,268,775,902,496/507,895,429.71
  6. Step 6: Final answer
    x = 397,271,282.58

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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.