Home / 1,424,626,657.20-1,965,984,973.36-789,588,148.30

Finding the Fourth Proportional to 1,424,626,657.20, 1,965,984,973.36 and 789,588,148.30

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Solution

The fourth proportional to 1,424,626,657.20, 1,965,984,973.36 and 789,588,148.30 is: 1,089,631,747.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,626,657.20 : 1,965,984,973.36 = 789,588,148.30 : x
  2. Step 2: Convert to fraction form
    1,424,626,657.20/1,965,984,973.36 = 789,588,148.30/x
  3. Step 3: Cross multiply
    1,424,626,657.20x = 1,965,984,973.36 × 789,588,148.30
  4. Step 4: Simplify right side
    1,424,626,657.20x = 1,552,318,434,691,117,056
  5. Step 5: Solve for x
    x = 1,552,318,434,691,117,056/1,424,626,657.20
  6. Step 6: Final answer
    x = 1,089,631,747.97

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Double scale
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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.