Home / 472,392,327.60-708,588,491.40-144,865,239.30

Finding the Fourth Proportional to 472,392,327.60, 708,588,491.40 and 144,865,239.30

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Solution

The fourth proportional to 472,392,327.60, 708,588,491.40 and 144,865,239.30 is: 217,297,858.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,327.60 : 708,588,491.40 = 144,865,239.30 : x
  2. Step 2: Convert to fraction form
    472,392,327.60/708,588,491.40 = 144,865,239.30/x
  3. Step 3: Cross multiply
    472,392,327.60x = 708,588,491.40 × 144,865,239.30
  4. Step 4: Simplify right side
    472,392,327.60x = 102,649,841,371,886,992
  5. Step 5: Solve for x
    x = 102,649,841,371,886,992/472,392,327.60
  6. Step 6: Final answer
    x = 217,297,858.95

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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.