Home / 650,828,629.56-976,135,006.98-214,134,638.52

Finding the Fourth Proportional to 650,828,629.56, 976,135,006.98 and 214,134,638.52

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Solution

The fourth proportional to 650,828,629.56, 976,135,006.98 and 214,134,638.52 is: 321,166,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,828,629.56 : 976,135,006.98 = 214,134,638.52 : x
  2. Step 2: Convert to fraction form
    650,828,629.56/976,135,006.98 = 214,134,638.52/x
  3. Step 3: Cross multiply
    650,828,629.56x = 976,135,006.98 × 214,134,638.52
  4. Step 4: Simplify right side
    650,828,629.56x = 209,024,316,866,380,000
  5. Step 5: Solve for x
    x = 209,024,316,866,380,000/650,828,629.56
  6. Step 6: Final answer
    x = 321,166,444.40

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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.