Home / 500,509,609.68-750,238,870.73-168,401,328.44

Finding the Fourth Proportional to 500,509,609.68, 750,238,870.73 and 168,401,328.44

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Solution

The fourth proportional to 500,509,609.68, 750,238,870.73 and 168,401,328.44 is: 252,425,168.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,509,609.68 : 750,238,870.73 = 168,401,328.44 : x
  2. Step 2: Convert to fraction form
    500,509,609.68/750,238,870.73 = 168,401,328.44/x
  3. Step 3: Cross multiply
    500,509,609.68x = 750,238,870.73 × 168,401,328.44
  4. Step 4: Simplify right side
    500,509,609.68x = 126,341,222,479,291,024
  5. Step 5: Solve for x
    x = 126,341,222,479,291,024/500,509,609.68
  6. Step 6: Final answer
    x = 252,425,168.34

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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.