Home / 358,785,830.40-538,178,745.60-195,102,002.40

Finding the Fourth Proportional to 358,785,830.40, 538,178,745.60 and 195,102,002.40

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Solution

The fourth proportional to 358,785,830.40, 538,178,745.60 and 195,102,002.40 is: 292,653,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,785,830.40 : 538,178,745.60 = 195,102,002.40 : x
  2. Step 2: Convert to fraction form
    358,785,830.40/538,178,745.60 = 195,102,002.40/x
  3. Step 3: Cross multiply
    358,785,830.40x = 538,178,745.60 × 195,102,002.40
  4. Step 4: Simplify right side
    358,785,830.40x = 104,999,750,915,680,192
  5. Step 5: Solve for x
    x = 104,999,750,915,680,192/358,785,830.40
  6. Step 6: Final answer
    x = 292,653,003.60

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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.