Home / 219,096,576,006.40-328,644,864,009.60-204,294,456,121.60

Finding the Fourth Proportional to 219,096,576,006.40, 328,644,864,009.60 and 204,294,456,121.60

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Solution

The fourth proportional to 219,096,576,006.40, 328,644,864,009.60 and 204,294,456,121.60 is: 306,441,684,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,096,576,006.40 : 328,644,864,009.60 = 204,294,456,121.60 : x
  2. Step 2: Convert to fraction form
    219,096,576,006.40/328,644,864,009.60 = 204,294,456,121.60/x
  3. Step 3: Cross multiply
    219,096,576,006.40x = 328,644,864,009.60 × 204,294,456,121.60
  4. Step 4: Simplify right side
    219,096,576,006.40x = 67,140,323,749,998,421,344,256
  5. Step 5: Solve for x
    x = 67,140,323,749,998,421,344,256/219,096,576,006.40
  6. Step 6: Final answer
    x = 306,441,684,182.40

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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.