Home / 789,973,513.83-1,185,394,096.22-458,385,967.22

Finding the Fourth Proportional to 789,973,513.83, 1,185,394,096.22 and 458,385,967.22

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Solution

The fourth proportional to 789,973,513.83, 1,185,394,096.22 and 458,385,967.22 is: 687,830,680.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,973,513.83 : 1,185,394,096.22 = 458,385,967.22 : x
  2. Step 2: Convert to fraction form
    789,973,513.83/1,185,394,096.22 = 458,385,967.22/x
  3. Step 3: Cross multiply
    789,973,513.83x = 1,185,394,096.22 × 458,385,967.22
  4. Step 4: Simplify right side
    789,973,513.83x = 543,368,019,324,463,488
  5. Step 5: Solve for x
    x = 543,368,019,324,463,488/789,973,513.83
  6. Step 6: Final answer
    x = 687,830,680.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.