Home / 1,458,743,455.45-2,013,065,542.08-789,688,003.93

Finding the Fourth Proportional to 1,458,743,455.45, 2,013,065,542.08 and 789,688,003.93

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Solution

The fourth proportional to 1,458,743,455.45, 2,013,065,542.08 and 789,688,003.93 is: 1,089,769,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,743,455.45 : 2,013,065,542.08 = 789,688,003.93 : x
  2. Step 2: Convert to fraction form
    1,458,743,455.45/2,013,065,542.08 = 789,688,003.93/x
  3. Step 3: Cross multiply
    1,458,743,455.45x = 2,013,065,542.08 × 789,688,003.93
  4. Step 4: Simplify right side
    1,458,743,455.45x = 1,589,693,709,705,418,496
  5. Step 5: Solve for x
    x = 1,589,693,709,705,418,496/1,458,743,455.45
  6. Step 6: Final answer
    x = 1,089,769,214.57

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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.