Home / 610,269,157.52-842,161,515.72-331,817,693.12

Finding the Fourth Proportional to 610,269,157.52, 842,161,515.72 and 331,817,693.12

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Solution

The fourth proportional to 610,269,157.52, 842,161,515.72 and 331,817,693.12 is: 457,903,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,269,157.52 : 842,161,515.72 = 331,817,693.12 : x
  2. Step 2: Convert to fraction form
    610,269,157.52/842,161,515.72 = 331,817,693.12/x
  3. Step 3: Cross multiply
    610,269,157.52x = 842,161,515.72 × 331,817,693.12
  4. Step 4: Simplify right side
    610,269,157.52x = 279,444,091,380,653,024
  5. Step 5: Solve for x
    x = 279,444,091,380,653,024/610,269,157.52
  6. Step 6: Final answer
    x = 457,903,021.87

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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.