Home / 1,346,065,948.82-1,857,880,945.92-789,328,357.22

Finding the Fourth Proportional to 1,346,065,948.82, 1,857,880,945.92 and 789,328,357.22

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Solution

The fourth proportional to 1,346,065,948.82, 1,857,880,945.92 and 789,328,357.22 is: 1,089,454,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,065,948.82 : 1,857,880,945.92 = 789,328,357.22 : x
  2. Step 2: Convert to fraction form
    1,346,065,948.82/1,857,880,945.92 = 789,328,357.22/x
  3. Step 3: Cross multiply
    1,346,065,948.82x = 1,857,880,945.92 × 789,328,357.22
  4. Step 4: Simplify right side
    1,346,065,948.82x = 1,466,478,114,944,083,968
  5. Step 5: Solve for x
    x = 1,466,478,114,944,083,968/1,346,065,948.82
  6. Step 6: Final answer
    x = 1,089,454,878.67

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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.