Home / 319,624,696.32-479,458,695.78-112,337,905.74

Finding the Fourth Proportional to 319,624,696.32, 479,458,695.78 and 112,337,905.74

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Solution

The fourth proportional to 319,624,696.32, 479,458,695.78 and 112,337,905.74 is: 168,514,468.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,624,696.32 : 479,458,695.78 = 112,337,905.74 : x
  2. Step 2: Convert to fraction form
    319,624,696.32/479,458,695.78 = 112,337,905.74/x
  3. Step 3: Cross multiply
    319,624,696.32x = 479,458,695.78 × 112,337,905.74
  4. Step 4: Simplify right side
    319,624,696.32x = 53,861,385,772,756,968
  5. Step 5: Solve for x
    x = 53,861,385,772,756,968/319,624,696.32
  6. Step 6: Final answer
    x = 168,514,468.35

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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.