Home / 521,950,300.36-720,317,271.48-323,775,646.49

Finding the Fourth Proportional to 521,950,300.36, 720,317,271.48 and 323,775,646.49

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Solution

The fourth proportional to 521,950,300.36, 720,317,271.48 and 323,775,646.49 is: 446,826,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,950,300.36 : 720,317,271.48 = 323,775,646.49 : x
  2. Step 2: Convert to fraction form
    521,950,300.36/720,317,271.48 = 323,775,646.49/x
  3. Step 3: Cross multiply
    521,950,300.36x = 720,317,271.48 × 323,775,646.49
  4. Step 4: Simplify right side
    521,950,300.36x = 233,221,190,251,349,856
  5. Step 5: Solve for x
    x = 233,221,190,251,349,856/521,950,300.36
  6. Step 6: Final answer
    x = 446,826,431.73

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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.