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Finding the Fourth Proportional to 260,809,868.40, 391,214,802.60 and 184,282,364.40

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Solution

The fourth proportional to 260,809,868.40, 391,214,802.60 and 184,282,364.40 is: 276,423,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,809,868.40 : 391,214,802.60 = 184,282,364.40 : x
  2. Step 2: Convert to fraction form
    260,809,868.40/391,214,802.60 = 184,282,364.40/x
  3. Step 3: Cross multiply
    260,809,868.40x = 391,214,802.60 × 184,282,364.40
  4. Step 4: Simplify right side
    260,809,868.40x = 72,093,988,811,407,280
  5. Step 5: Solve for x
    x = 72,093,988,811,407,280/260,809,868.40
  6. Step 6: Final answer
    x = 276,423,546.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.