Home / 643,457,734.40-965,186,601.60-183,336,116.60

Finding the Fourth Proportional to 643,457,734.40, 965,186,601.60 and 183,336,116.60

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Solution

The fourth proportional to 643,457,734.40, 965,186,601.60 and 183,336,116.60 is: 275,004,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,457,734.40 : 965,186,601.60 = 183,336,116.60 : x
  2. Step 2: Convert to fraction form
    643,457,734.40/965,186,601.60 = 183,336,116.60/x
  3. Step 3: Cross multiply
    643,457,734.40x = 965,186,601.60 × 183,336,116.60
  4. Step 4: Simplify right side
    643,457,734.40x = 176,953,563,331,695,360
  5. Step 5: Solve for x
    x = 176,953,563,331,695,360/643,457,734.40
  6. Step 6: Final answer
    x = 275,004,174.90

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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.