Home / 996,530,720.35-1,494,790,643.10-406,318,644.31

Finding the Fourth Proportional to 996,530,720.35, 1,494,790,643.10 and 406,318,644.31

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Solution

The fourth proportional to 996,530,720.35, 1,494,790,643.10 and 406,318,644.31 is: 609,475,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,530,720.35 : 1,494,790,643.10 = 406,318,644.31 : x
  2. Step 2: Convert to fraction form
    996,530,720.35/1,494,790,643.10 = 406,318,644.31/x
  3. Step 3: Cross multiply
    996,530,720.35x = 1,494,790,643.10 × 406,318,644.31
  4. Step 4: Simplify right side
    996,530,720.35x = 607,361,307,631,665,024
  5. Step 5: Solve for x
    x = 607,361,307,631,665,024/996,530,720.35
  6. Step 6: Final answer
    x = 609,475,749.45

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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.