Home / 1,126,728,751.20-1,553,089,103.82-888,184,926.06

Finding the Fourth Proportional to 1,126,728,751.20, 1,553,089,103.82 and 888,184,926.06

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Solution

The fourth proportional to 1,126,728,751.20, 1,553,089,103.82 and 888,184,926.06 is: 1,224,278,984.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,728,751.20 : 1,553,089,103.82 = 888,184,926.06 : x
  2. Step 2: Convert to fraction form
    1,126,728,751.20/1,553,089,103.82 = 888,184,926.06/x
  3. Step 3: Cross multiply
    1,126,728,751.20x = 1,553,089,103.82 × 888,184,926.06
  4. Step 4: Simplify right side
    1,126,728,751.20x = 1,379,430,330,840,958,208
  5. Step 5: Solve for x
    x = 1,379,430,330,840,958,208/1,126,728,751.20
  6. Step 6: Final answer
    x = 1,224,278,984.07

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Double scale
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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.