Home / 7,997,154,151.25-11,030,758,744.97-5,142,904,873.79

Finding the Fourth Proportional to 7,997,154,151.25, 11,030,758,744.97 and 5,142,904,873.79

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Solution

The fourth proportional to 7,997,154,151.25, 11,030,758,744.97 and 5,142,904,873.79 is: 7,093,791,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997,154,151.25 : 11,030,758,744.97 = 5,142,904,873.79 : x
  2. Step 2: Convert to fraction form
    7,997,154,151.25/11,030,758,744.97 = 5,142,904,873.79/x
  3. Step 3: Cross multiply
    7,997,154,151.25x = 11,030,758,744.97 × 5,142,904,873.79
  4. Step 4: Simplify right side
    7,997,154,151.25x = 56,730,142,911,141,339,136
  5. Step 5: Solve for x
    x = 56,730,142,911,141,339,136/7,997,154,151.25
  6. Step 6: Final answer
    x = 7,093,791,346.05

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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.