Home / 289,965,427.17-434,374,181.73-253,614,862.77

Finding the Fourth Proportional to 289,965,427.17, 434,374,181.73 and 253,614,862.77

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Solution

The fourth proportional to 289,965,427.17, 434,374,181.73 and 253,614,862.77 is: 379,920,287.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,965,427.17 : 434,374,181.73 = 253,614,862.77 : x
  2. Step 2: Convert to fraction form
    289,965,427.17/434,374,181.73 = 253,614,862.77/x
  3. Step 3: Cross multiply
    289,965,427.17x = 434,374,181.73 × 253,614,862.77
  4. Step 4: Simplify right side
    289,965,427.17x = 110,163,748,488,656,096
  5. Step 5: Solve for x
    x = 110,163,748,488,656,096/289,965,427.17
  6. Step 6: Final answer
    x = 379,920,287.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.