Home / 403,705,113.75-557,113,281.35-218,066,131.26

Finding the Fourth Proportional to 403,705,113.75, 557,113,281.35 and 218,066,131.26

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Solution

The fourth proportional to 403,705,113.75, 557,113,281.35 and 218,066,131.26 is: 300,931,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,705,113.75 : 557,113,281.35 = 218,066,131.26 : x
  2. Step 2: Convert to fraction form
    403,705,113.75/557,113,281.35 = 218,066,131.26/x
  3. Step 3: Cross multiply
    403,705,113.75x = 557,113,281.35 × 218,066,131.26
  4. Step 4: Simplify right side
    403,705,113.75x = 121,487,537,936,468,080
  5. Step 5: Solve for x
    x = 121,487,537,936,468,080/403,705,113.75
  6. Step 6: Final answer
    x = 300,931,382.33

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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.