Home / 951,519,013.84-1,312,989,742.86-528,150,519.18

Finding the Fourth Proportional to 951,519,013.84, 1,312,989,742.86 and 528,150,519.18

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Solution

The fourth proportional to 951,519,013.84, 1,312,989,742.86 and 528,150,519.18 is: 728,788,604.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,519,013.84 : 1,312,989,742.86 = 528,150,519.18 : x
  2. Step 2: Convert to fraction form
    951,519,013.84/1,312,989,742.86 = 528,150,519.18/x
  3. Step 3: Cross multiply
    951,519,013.84x = 1,312,989,742.86 × 528,150,519.18
  4. Step 4: Simplify right side
    951,519,013.84x = 693,456,214,370,527,232
  5. Step 5: Solve for x
    x = 693,456,214,370,527,232/951,519,013.84
  6. Step 6: Final answer
    x = 728,788,604.62

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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.