Home / 289,965,426.04-434,374,180.05-253,614,861.64

Finding the Fourth Proportional to 289,965,426.04, 434,374,180.05 and 253,614,861.64

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Solution

The fourth proportional to 289,965,426.04, 434,374,180.05 and 253,614,861.64 is: 379,920,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,965,426.04 : 434,374,180.05 = 253,614,861.64 : x
  2. Step 2: Convert to fraction form
    289,965,426.04/434,374,180.05 = 253,614,861.64/x
  3. Step 3: Cross multiply
    289,965,426.04x = 434,374,180.05 × 253,614,861.64
  4. Step 4: Simplify right side
    289,965,426.04x = 110,163,747,573,437,904
  5. Step 5: Solve for x
    x = 110,163,747,573,437,904/289,965,426.04
  6. Step 6: Final answer
    x = 379,920,285.94

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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.