Home / 695,402,309.70-1,043,103,464.55-210,665,132.10

Finding the Fourth Proportional to 695,402,309.70, 1,043,103,464.55 and 210,665,132.10

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Solution

The fourth proportional to 695,402,309.70, 1,043,103,464.55 and 210,665,132.10 is: 315,997,698.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,402,309.70 : 1,043,103,464.55 = 210,665,132.10 : x
  2. Step 2: Convert to fraction form
    695,402,309.70/1,043,103,464.55 = 210,665,132.10/x
  3. Step 3: Cross multiply
    695,402,309.70x = 1,043,103,464.55 × 210,665,132.10
  4. Step 4: Simplify right side
    695,402,309.70x = 219,745,529,153,393,408
  5. Step 5: Solve for x
    x = 219,745,529,153,393,408/695,402,309.70
  6. Step 6: Final answer
    x = 315,997,698.15

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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.