Home / 608,646,644.90-912,401,987.96-240,184,648.36

Finding the Fourth Proportional to 608,646,644.90, 912,401,987.96 and 240,184,648.36

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Solution

The fourth proportional to 608,646,644.90, 912,401,987.96 and 240,184,648.36 is: 360,052,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,646,644.90 : 912,401,987.96 = 240,184,648.36 : x
  2. Step 2: Convert to fraction form
    608,646,644.90/912,401,987.96 = 240,184,648.36/x
  3. Step 3: Cross multiply
    608,646,644.90x = 912,401,987.96 × 240,184,648.36
  4. Step 4: Simplify right side
    608,646,644.90x = 219,144,950,641,137,568
  5. Step 5: Solve for x
    x = 219,144,950,641,137,568/608,646,644.90
  6. Step 6: Final answer
    x = 360,052,836.04

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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.