Home / 1,147,594,612.26-1,721,401,562.25-318,612,895.86

Finding the Fourth Proportional to 1,147,594,612.26, 1,721,401,562.25 and 318,612,895.86

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Solution

The fourth proportional to 1,147,594,612.26, 1,721,401,562.25 and 318,612,895.86 is: 477,922,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,594,612.26 : 1,721,401,562.25 = 318,612,895.86 : x
  2. Step 2: Convert to fraction form
    1,147,594,612.26/1,721,401,562.25 = 318,612,895.86/x
  3. Step 3: Cross multiply
    1,147,594,612.26x = 1,721,401,562.25 × 318,612,895.86
  4. Step 4: Simplify right side
    1,147,594,612.26x = 548,460,736,686,400,576
  5. Step 5: Solve for x
    x = 548,460,736,686,400,576/1,147,594,612.26
  6. Step 6: Final answer
    x = 477,922,021.27

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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.