Home / 2,190,516,403.88-3,285,745,905.40-532,418,872.19

Finding the Fourth Proportional to 2,190,516,403.88, 3,285,745,905.40 and 532,418,872.19

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Solution

The fourth proportional to 2,190,516,403.88, 3,285,745,905.40 and 532,418,872.19 is: 798,621,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,516,403.88 : 3,285,745,905.40 = 532,418,872.19 : x
  2. Step 2: Convert to fraction form
    2,190,516,403.88/3,285,745,905.40 = 532,418,872.19/x
  3. Step 3: Cross multiply
    2,190,516,403.88x = 3,285,745,905.40 × 532,418,872.19
  4. Step 4: Simplify right side
    2,190,516,403.88x = 1,749,393,129,238,272,000
  5. Step 5: Solve for x
    x = 1,749,393,129,238,272,000/2,190,516,403.88
  6. Step 6: Final answer
    x = 798,621,332.46

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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.