Home / 521,157,790.17-719,195,136.70-283,000,847.22

Finding the Fourth Proportional to 521,157,790.17, 719,195,136.70 and 283,000,847.22

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Solution

The fourth proportional to 521,157,790.17, 719,195,136.70 and 283,000,847.22 is: 390,539,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,157,790.17 : 719,195,136.70 = 283,000,847.22 : x
  2. Step 2: Convert to fraction form
    521,157,790.17/719,195,136.70 = 283,000,847.22/x
  3. Step 3: Cross multiply
    521,157,790.17x = 719,195,136.70 × 283,000,847.22
  4. Step 4: Simplify right side
    521,157,790.17x = 203,532,833,002,603,744
  5. Step 5: Solve for x
    x = 203,532,833,002,603,744/521,157,790.17
  6. Step 6: Final answer
    x = 390,539,749.84

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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.