Home / 403,775,382.96-557,396,031.96-236,488,428.72

Finding the Fourth Proportional to 403,775,382.96, 557,396,031.96 and 236,488,428.72

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Solution

The fourth proportional to 403,775,382.96, 557,396,031.96 and 236,488,428.72 is: 326,462,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,775,382.96 : 557,396,031.96 = 236,488,428.72 : x
  2. Step 2: Convert to fraction form
    403,775,382.96/557,396,031.96 = 236,488,428.72/x
  3. Step 3: Cross multiply
    403,775,382.96x = 557,396,031.96 × 236,488,428.72
  4. Step 4: Simplify right side
    403,775,382.96x = 131,817,711,772,983,312
  5. Step 5: Solve for x
    x = 131,817,711,772,983,312/403,775,382.96
  6. Step 6: Final answer
    x = 326,462,972.57

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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.