Home / 1,424,148,274.85-1,965,298,607.09-789,066,450.65

Finding the Fourth Proportional to 1,424,148,274.85, 1,965,298,607.09 and 789,066,450.65

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Solution

The fourth proportional to 1,424,148,274.85, 1,965,298,607.09 and 789,066,450.65 is: 1,088,897,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,148,274.85 : 1,965,298,607.09 = 789,066,450.65 : x
  2. Step 2: Convert to fraction form
    1,424,148,274.85/1,965,298,607.09 = 789,066,450.65/x
  3. Step 3: Cross multiply
    1,424,148,274.85x = 1,965,298,607.09 × 789,066,450.65
  4. Step 4: Simplify right side
    1,424,148,274.85x = 1,550,751,196,350,123,520
  5. Step 5: Solve for x
    x = 1,550,751,196,350,123,520/1,424,148,274.85
  6. Step 6: Final answer
    x = 1,088,897,289.52

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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.