Home / 521,157,789.04-719,195,135.15-283,000,846.09

Finding the Fourth Proportional to 521,157,789.04, 719,195,135.15 and 283,000,846.09

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Solution

The fourth proportional to 521,157,789.04, 719,195,135.15 and 283,000,846.09 is: 390,539,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,157,789.04 : 719,195,135.15 = 283,000,846.09 : x
  2. Step 2: Convert to fraction form
    521,157,789.04/719,195,135.15 = 283,000,846.09/x
  3. Step 3: Cross multiply
    521,157,789.04x = 719,195,135.15 × 283,000,846.09
  4. Step 4: Simplify right side
    521,157,789.04x = 203,532,831,751,261,888
  5. Step 5: Solve for x
    x = 203,532,831,751,261,888/521,157,789.04
  6. Step 6: Final answer
    x = 390,539,748.29

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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.