Home / 269,048,621,021.15-403,573,319,946.12-109,871,720,394.89

Finding the Fourth Proportional to 269,048,621,021.15, 403,573,319,946.12 and 109,871,720,394.89

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Solution

The fourth proportional to 269,048,621,021.15, 403,573,319,946.12 and 109,871,720,394.89 is: 164,807,739,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,048,621,021.15 : 403,573,319,946.12 = 109,871,720,394.89 : x
  2. Step 2: Convert to fraction form
    269,048,621,021.15/403,573,319,946.12 = 109,871,720,394.89/x
  3. Step 3: Cross multiply
    269,048,621,021.15x = 403,573,319,946.12 × 109,871,720,394.89
  4. Step 4: Simplify right side
    269,048,621,021.15x = 44,341,294,967,957,581,987,840
  5. Step 5: Solve for x
    x = 44,341,294,967,957,581,987,840/269,048,621,021.15
  6. Step 6: Final answer
    x = 164,807,739,209.61

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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.