Home / 818,641,356.40-1,227,962,034.60-236,394,596.80

Finding the Fourth Proportional to 818,641,356.40, 1,227,962,034.60 and 236,394,596.80

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Solution

The fourth proportional to 818,641,356.40, 1,227,962,034.60 and 236,394,596.80 is: 354,591,895.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,641,356.40 : 1,227,962,034.60 = 236,394,596.80 : x
  2. Step 2: Convert to fraction form
    818,641,356.40/1,227,962,034.60 = 236,394,596.80/x
  3. Step 3: Cross multiply
    818,641,356.40x = 1,227,962,034.60 × 236,394,596.80
  4. Step 4: Simplify right side
    818,641,356.40x = 290,283,590,054,974,656
  5. Step 5: Solve for x
    x = 290,283,590,054,974,656/818,641,356.40
  6. Step 6: Final answer
    x = 354,591,895.20

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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.