Home / 236,218,246.40-354,327,369.60-213,543,430.40

Finding the Fourth Proportional to 236,218,246.40, 354,327,369.60 and 213,543,430.40

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Solution

The fourth proportional to 236,218,246.40, 354,327,369.60 and 213,543,430.40 is: 320,315,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,218,246.40 : 354,327,369.60 = 213,543,430.40 : x
  2. Step 2: Convert to fraction form
    236,218,246.40/354,327,369.60 = 213,543,430.40/x
  3. Step 3: Cross multiply
    236,218,246.40x = 354,327,369.60 × 213,543,430.40
  4. Step 4: Simplify right side
    236,218,246.40x = 75,664,281,988,992,688
  5. Step 5: Solve for x
    x = 75,664,281,988,992,688/236,218,246.40
  6. Step 6: Final answer
    x = 320,315,145.60

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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.