Home / 3,211,369,898.95-4,431,331,021.78-1,782,501,238.34

Finding the Fourth Proportional to 3,211,369,898.95, 4,431,331,021.78 and 1,782,501,238.34

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Solution

The fourth proportional to 3,211,369,898.95, 4,431,331,021.78 and 1,782,501,238.34 is: 2,459,652,199.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,369,898.95 : 4,431,331,021.78 = 1,782,501,238.34 : x
  2. Step 2: Convert to fraction form
    3,211,369,898.95/4,431,331,021.78 = 1,782,501,238.34/x
  3. Step 3: Cross multiply
    3,211,369,898.95x = 4,431,331,021.78 × 1,782,501,238.34
  4. Step 4: Simplify right side
    3,211,369,898.95x = 7,898,853,033,808,394,240
  5. Step 5: Solve for x
    x = 7,898,853,033,808,394,240/3,211,369,898.95
  6. Step 6: Final answer
    x = 2,459,652,199.02

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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.