Home / 375,739,282.88-518,524,414.08-208,478,572.64

Finding the Fourth Proportional to 375,739,282.88, 518,524,414.08 and 208,478,572.64

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Solution

The fourth proportional to 375,739,282.88, 518,524,414.08 and 208,478,572.64 is: 287,702,762.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,739,282.88 : 518,524,414.08 = 208,478,572.64 : x
  2. Step 2: Convert to fraction form
    375,739,282.88/518,524,414.08 = 208,478,572.64/x
  3. Step 3: Cross multiply
    375,739,282.88x = 518,524,414.08 × 208,478,572.64
  4. Step 4: Simplify right side
    375,739,282.88x = 108,101,229,726,390,704
  5. Step 5: Solve for x
    x = 108,101,229,726,390,704/375,739,282.88
  6. Step 6: Final answer
    x = 287,702,762.67

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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.