Home / 353,449,847,992.12-530,174,779,003.35-84,838,828,224.66

Finding the Fourth Proportional to 353,449,847,992.12, 530,174,779,003.35 and 84,838,828,224.66

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Solution

The fourth proportional to 353,449,847,992.12, 530,174,779,003.35 and 84,838,828,224.66 is: 127,258,244,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,449,847,992.12 : 530,174,779,003.35 = 84,838,828,224.66 : x
  2. Step 2: Convert to fraction form
    353,449,847,992.12/530,174,779,003.35 = 84,838,828,224.66/x
  3. Step 3: Cross multiply
    353,449,847,992.12x = 530,174,779,003.35 × 84,838,828,224.66
  4. Step 4: Simplify right side
    353,449,847,992.12x = 44,979,407,004,912,284,860,416
  5. Step 5: Solve for x
    x = 44,979,407,004,912,284,860,416/353,449,847,992.12
  6. Step 6: Final answer
    x = 127,258,244,020.85

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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.