Home / 35,872,343,424.97-49,505,337,863.18-20,630,447,129.04

Finding the Fourth Proportional to 35,872,343,424.97, 49,505,337,863.18 and 20,630,447,129.04

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Solution

The fourth proportional to 35,872,343,424.97, 49,505,337,863.18 and 20,630,447,129.04 is: 28,470,881,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,872,343,424.97 : 49,505,337,863.18 = 20,630,447,129.04 : x
  2. Step 2: Convert to fraction form
    35,872,343,424.97/49,505,337,863.18 = 20,630,447,129.04/x
  3. Step 3: Cross multiply
    35,872,343,424.97x = 49,505,337,863.18 × 20,630,447,129.04
  4. Step 4: Simplify right side
    35,872,343,424.97x = 1,021,317,255,391,597,035,520
  5. Step 5: Solve for x
    x = 1,021,317,255,391,597,035,520/35,872,343,424.97
  6. Step 6: Final answer
    x = 28,470,881,963.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.