Home / 622,103,999.10-933,155,998.65-213,024,191.10

Finding the Fourth Proportional to 622,103,999.10, 933,155,998.65 and 213,024,191.10

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Solution

The fourth proportional to 622,103,999.10, 933,155,998.65 and 213,024,191.10 is: 319,536,286.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,103,999.10 : 933,155,998.65 = 213,024,191.10 : x
  2. Step 2: Convert to fraction form
    622,103,999.10/933,155,998.65 = 213,024,191.10/x
  3. Step 3: Cross multiply
    622,103,999.10x = 933,155,998.65 × 213,024,191.10
  4. Step 4: Simplify right side
    622,103,999.10x = 198,784,801,782,528,928
  5. Step 5: Solve for x
    x = 198,784,801,782,528,928/622,103,999.10
  6. Step 6: Final answer
    x = 319,536,286.65

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1.5x scale

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.