Home / 203,039,066,926.52-280,200,631,994.84-111,590,859,175.70

Finding the Fourth Proportional to 203,039,066,926.52, 280,200,631,994.84 and 111,590,859,175.70

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Solution

The fourth proportional to 203,039,066,926.52, 280,200,631,994.84 and 111,590,859,175.70 is: 153,999,078,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,039,066,926.52 : 280,200,631,994.84 = 111,590,859,175.70 : x
  2. Step 2: Convert to fraction form
    203,039,066,926.52/280,200,631,994.84 = 111,590,859,175.70/x
  3. Step 3: Cross multiply
    203,039,066,926.52x = 280,200,631,994.84 × 111,590,859,175.70
  4. Step 4: Simplify right side
    203,039,066,926.52x = 31,267,829,265,878,331,949,056
  5. Step 5: Solve for x
    x = 31,267,829,265,878,331,949,056/203,039,066,926.52
  6. Step 6: Final answer
    x = 153,999,078,794.01

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1.5x scale

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.