Home / 385,836,553.60-579,426,676.80-204,438,025.60

Finding the Fourth Proportional to 385,836,553.60, 579,426,676.80 and 204,438,025.60

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Solution

The fourth proportional to 385,836,553.60, 579,426,676.80 and 204,438,025.60 is: 307,013,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,836,553.60 : 579,426,676.80 = 204,438,025.60 : x
  2. Step 2: Convert to fraction form
    385,836,553.60/579,426,676.80 = 204,438,025.60/x
  3. Step 3: Cross multiply
    385,836,553.60x = 579,426,676.80 × 204,438,025.60
  4. Step 4: Simplify right side
    385,836,553.60x = 118,456,845,784,961,312
  5. Step 5: Solve for x
    x = 118,456,845,784,961,312/385,836,553.60
  6. Step 6: Final answer
    x = 307,013,020.62

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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.