Home / 403,704,979.26-557,113,095.63-218,065,996.50

Finding the Fourth Proportional to 403,704,979.26, 557,113,095.63 and 218,065,996.50

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Solution

The fourth proportional to 403,704,979.26, 557,113,095.63 and 218,065,996.50 is: 300,931,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704,979.26 : 557,113,095.63 = 218,065,996.50 : x
  2. Step 2: Convert to fraction form
    403,704,979.26/557,113,095.63 = 218,065,996.50/x
  3. Step 3: Cross multiply
    403,704,979.26x = 557,113,095.63 × 218,065,996.50
  4. Step 4: Simplify right side
    403,704,979.26x = 121,487,422,361,755,744
  5. Step 5: Solve for x
    x = 121,487,422,361,755,744/403,704,979.26
  6. Step 6: Final answer
    x = 300,931,196.30

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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.