Home / 289,595,453.34-399,528,645.75-165,769,957.02

Finding the Fourth Proportional to 289,595,453.34, 399,528,645.75 and 165,769,957.02

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Solution

The fourth proportional to 289,595,453.34, 399,528,645.75 and 165,769,957.02 is: 228,697,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,595,453.34 : 399,528,645.75 = 165,769,957.02 : x
  2. Step 2: Convert to fraction form
    289,595,453.34/399,528,645.75 = 165,769,957.02/x
  3. Step 3: Cross multiply
    289,595,453.34x = 399,528,645.75 × 165,769,957.02
  4. Step 4: Simplify right side
    289,595,453.34x = 66,229,846,434,236,312
  5. Step 5: Solve for x
    x = 66,229,846,434,236,312/289,595,453.34
  6. Step 6: Final answer
    x = 228,697,811.62

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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.