Home / 403,708,567.41-557,118,067.10-218,069,665.11

Finding the Fourth Proportional to 403,708,567.41, 557,118,067.10 and 218,069,665.11

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Solution

The fourth proportional to 403,708,567.41, 557,118,067.10 and 218,069,665.11 is: 300,936,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,708,567.41 : 557,118,067.10 = 218,069,665.11 : x
  2. Step 2: Convert to fraction form
    403,708,567.41/557,118,067.10 = 218,069,665.11/x
  3. Step 3: Cross multiply
    403,708,567.41x = 557,118,067.10 × 218,069,665.11
  4. Step 4: Simplify right side
    403,708,567.41x = 121,490,550,318,137,168
  5. Step 5: Solve for x
    x = 121,490,550,318,137,168/403,708,567.41
  6. Step 6: Final answer
    x = 300,936,269.69

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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.