Home / 314,616,669.27-434,196,861-173,515,493.43

Finding the Fourth Proportional to 314,616,669.27, 434,196,861 and 173,515,493.43

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Solution

The fourth proportional to 314,616,669.27, 434,196,861 and 173,515,493.43 is: 239,465,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,616,669.27 : 434,196,861 = 173,515,493.43 : x
  2. Step 2: Convert to fraction form
    314,616,669.27/434,196,861 = 173,515,493.43/x
  3. Step 3: Cross multiply
    314,616,669.27x = 434,196,861 × 173,515,493.43
  4. Step 4: Simplify right side
    314,616,669.27x = 75,339,882,582,172,128
  5. Step 5: Solve for x
    x = 75,339,882,582,172,128/314,616,669.27
  6. Step 6: Final answer
    x = 239,465,641.66

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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.