Home / 358,785,826.40-538,178,739.60-195,101,998.40

Finding the Fourth Proportional to 358,785,826.40, 538,178,739.60 and 195,101,998.40

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Solution

The fourth proportional to 358,785,826.40, 538,178,739.60 and 195,101,998.40 is: 292,652,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,785,826.40 : 538,178,739.60 = 195,101,998.40 : x
  2. Step 2: Convert to fraction form
    358,785,826.40/538,178,739.60 = 195,101,998.40/x
  3. Step 3: Cross multiply
    358,785,826.40x = 538,178,739.60 × 195,101,998.40
  4. Step 4: Simplify right side
    358,785,826.40x = 104,999,747,592,353,232
  5. Step 5: Solve for x
    x = 104,999,747,592,353,232/358,785,826.40
  6. Step 6: Final answer
    x = 292,652,997.60

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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.