Home / 258,101,088,017.60-387,151,632,026.40-146,523,987,185.60

Finding the Fourth Proportional to 258,101,088,017.60, 387,151,632,026.40 and 146,523,987,185.60

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Solution

The fourth proportional to 258,101,088,017.60, 387,151,632,026.40 and 146,523,987,185.60 is: 219,785,980,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,101,088,017.60 : 387,151,632,026.40 = 146,523,987,185.60 : x
  2. Step 2: Convert to fraction form
    258,101,088,017.60/387,151,632,026.40 = 146,523,987,185.60/x
  3. Step 3: Cross multiply
    258,101,088,017.60x = 387,151,632,026.40 × 146,523,987,185.60
  4. Step 4: Simplify right side
    258,101,088,017.60x = 56,727,000,769,920,367,591,424
  5. Step 5: Solve for x
    x = 56,727,000,769,920,367,591,424/258,101,088,017.60
  6. Step 6: Final answer
    x = 219,785,980,778.40

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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.