Home / 749,214,478.77-1,123,794,775.53-196,512,492.66

Finding the Fourth Proportional to 749,214,478.77, 1,123,794,775.53 and 196,512,492.66

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Solution

The fourth proportional to 749,214,478.77, 1,123,794,775.53 and 196,512,492.66 is: 294,761,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,214,478.77 : 1,123,794,775.53 = 196,512,492.66 : x
  2. Step 2: Convert to fraction form
    749,214,478.77/1,123,794,775.53 = 196,512,492.66/x
  3. Step 3: Cross multiply
    749,214,478.77x = 1,123,794,775.53 × 196,512,492.66
  4. Step 4: Simplify right side
    749,214,478.77x = 220,839,712,577,685,472
  5. Step 5: Solve for x
    x = 220,839,712,577,685,472/749,214,478.77
  6. Step 6: Final answer
    x = 294,761,672.17

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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.