Home / 352,464,345.72-486,413,924.04-211,358,539.53

Finding the Fourth Proportional to 352,464,345.72, 486,413,924.04 and 211,358,539.53

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Solution

The fourth proportional to 352,464,345.72, 486,413,924.04 and 211,358,539.53 is: 291,682,656.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,464,345.72 : 486,413,924.04 = 211,358,539.53 : x
  2. Step 2: Convert to fraction form
    352,464,345.72/486,413,924.04 = 211,358,539.53/x
  3. Step 3: Cross multiply
    352,464,345.72x = 486,413,924.04 × 211,358,539.53
  4. Step 4: Simplify right side
    352,464,345.72x = 102,807,736,592,150,768
  5. Step 5: Solve for x
    x = 102,807,736,592,150,768/352,464,345.72
  6. Step 6: Final answer
    x = 291,682,656.25

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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.