Home / 363,838,644.40-545,757,966.60-200,013,098.80

Finding the Fourth Proportional to 363,838,644.40, 545,757,966.60 and 200,013,098.80

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Solution

The fourth proportional to 363,838,644.40, 545,757,966.60 and 200,013,098.80 is: 300,019,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,838,644.40 : 545,757,966.60 = 200,013,098.80 : x
  2. Step 2: Convert to fraction form
    363,838,644.40/545,757,966.60 = 200,013,098.80/x
  3. Step 3: Cross multiply
    363,838,644.40x = 545,757,966.60 × 200,013,098.80
  4. Step 4: Simplify right side
    363,838,644.40x = 109,158,742,094,452,912
  5. Step 5: Solve for x
    x = 109,158,742,094,452,912/363,838,644.40
  6. Step 6: Final answer
    x = 300,019,648.20

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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.