Home / 521,950,332.73-720,317,316.26-323,775,679.36

Finding the Fourth Proportional to 521,950,332.73, 720,317,316.26 and 323,775,679.36

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Solution

The fourth proportional to 521,950,332.73, 720,317,316.26 and 323,775,679.36 is: 446,826,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,950,332.73 : 720,317,316.26 = 323,775,679.36 : x
  2. Step 2: Convert to fraction form
    521,950,332.73/720,317,316.26 = 323,775,679.36/x
  3. Step 3: Cross multiply
    521,950,332.73x = 720,317,316.26 × 323,775,679.36
  4. Step 4: Simplify right side
    521,950,332.73x = 233,221,228,427,786,176
  5. Step 5: Solve for x
    x = 233,221,228,427,786,176/521,950,332.73
  6. Step 6: Final answer
    x = 446,826,477.16

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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.