Home / 2,610,116,138.16-3,915,068,027.04-644,919,726.60

Finding the Fourth Proportional to 2,610,116,138.16, 3,915,068,027.04 and 644,919,726.60

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Solution

The fourth proportional to 2,610,116,138.16, 3,915,068,027.04 and 644,919,726.60 is: 967,353,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,116,138.16 : 3,915,068,027.04 = 644,919,726.60 : x
  2. Step 2: Convert to fraction form
    2,610,116,138.16/3,915,068,027.04 = 644,919,726.60/x
  3. Step 3: Cross multiply
    2,610,116,138.16x = 3,915,068,027.04 × 644,919,726.60
  4. Step 4: Simplify right side
    2,610,116,138.16x = 2,524,904,601,619,038,208
  5. Step 5: Solve for x
    x = 2,524,904,601,619,038,208/2,610,116,138.16
  6. Step 6: Final answer
    x = 967,353,354.40

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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.