Home / 520,182,396.74-717,706,433.81-409,831,487.30

Finding the Fourth Proportional to 520,182,396.74, 717,706,433.81 and 409,831,487.30

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Solution

The fourth proportional to 520,182,396.74, 717,706,433.81 and 409,831,487.30 is: 565,452,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,182,396.74 : 717,706,433.81 = 409,831,487.30 : x
  2. Step 2: Convert to fraction form
    520,182,396.74/717,706,433.81 = 409,831,487.30/x
  3. Step 3: Cross multiply
    520,182,396.74x = 717,706,433.81 × 409,831,487.30
  4. Step 4: Simplify right side
    520,182,396.74x = 294,138,695,213,131,264
  5. Step 5: Solve for x
    x = 294,138,695,213,131,264/520,182,396.74
  6. Step 6: Final answer
    x = 565,452,996.98

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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.