Home / 367,415,721.21-507,033,471.74-202,403,290.71

Finding the Fourth Proportional to 367,415,721.21, 507,033,471.74 and 202,403,290.71

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Solution

The fourth proportional to 367,415,721.21, 507,033,471.74 and 202,403,290.71 is: 279,316,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,415,721.21 : 507,033,471.74 = 202,403,290.71 : x
  2. Step 2: Convert to fraction form
    367,415,721.21/507,033,471.74 = 202,403,290.71/x
  3. Step 3: Cross multiply
    367,415,721.21x = 507,033,471.74 × 202,403,290.71
  4. Step 4: Simplify right side
    367,415,721.21x = 102,625,243,182,678,640
  5. Step 5: Solve for x
    x = 102,625,243,182,678,640/367,415,721.21
  6. Step 6: Final answer
    x = 279,316,418.04

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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.