Home / 551,179,688.40-826,769,532.60-547,353,313.20

Finding the Fourth Proportional to 551,179,688.40, 826,769,532.60 and 547,353,313.20

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Solution

The fourth proportional to 551,179,688.40, 826,769,532.60 and 547,353,313.20 is: 821,029,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,179,688.40 : 826,769,532.60 = 547,353,313.20 : x
  2. Step 2: Convert to fraction form
    551,179,688.40/826,769,532.60 = 547,353,313.20/x
  3. Step 3: Cross multiply
    551,179,688.40x = 826,769,532.60 × 547,353,313.20
  4. Step 4: Simplify right side
    551,179,688.40x = 452,535,042,921,425,472
  5. Step 5: Solve for x
    x = 452,535,042,921,425,472/551,179,688.40
  6. Step 6: Final answer
    x = 821,029,969.80

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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.