Home / 1,424,386,920.16-1,965,665,491.18-789,318,020.04

Finding the Fourth Proportional to 1,424,386,920.16, 1,965,665,491.18 and 789,318,020.04

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Solution

The fourth proportional to 1,424,386,920.16, 1,965,665,491.18 and 789,318,020.04 is: 1,089,265,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,386,920.16 : 1,965,665,491.18 = 789,318,020.04 : x
  2. Step 2: Convert to fraction form
    1,424,386,920.16/1,965,665,491.18 = 789,318,020.04/x
  3. Step 3: Cross multiply
    1,424,386,920.16x = 1,965,665,491.18 × 789,318,020.04
  4. Step 4: Simplify right side
    1,424,386,920.16x = 1,551,535,193,559,151,616
  5. Step 5: Solve for x
    x = 1,551,535,193,559,151,616/1,424,386,920.16
  6. Step 6: Final answer
    x = 1,089,265,263.25

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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.