Home / 545,013,177.20-817,531,378.68-195,282,090.80

Finding the Fourth Proportional to 545,013,177.20, 817,531,378.68 and 195,282,090.80

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Solution

The fourth proportional to 545,013,177.20, 817,531,378.68 and 195,282,090.80 is: 292,927,297.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,013,177.20 : 817,531,378.68 = 195,282,090.80 : x
  2. Step 2: Convert to fraction form
    545,013,177.20/817,531,378.68 = 195,282,090.80/x
  3. Step 3: Cross multiply
    545,013,177.20x = 817,531,378.68 × 195,282,090.80
  4. Step 4: Simplify right side
    545,013,177.20x = 159,649,236,923,236,928
  5. Step 5: Solve for x
    x = 159,649,236,923,236,928/545,013,177.20
  6. Step 6: Final answer
    x = 292,927,297.18

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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.