Home / 1,135,300,237.60-1,702,950,356.40-489,067,981.60

Finding the Fourth Proportional to 1,135,300,237.60, 1,702,950,356.40 and 489,067,981.60

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Solution

The fourth proportional to 1,135,300,237.60, 1,702,950,356.40 and 489,067,981.60 is: 733,601,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,300,237.60 : 1,702,950,356.40 = 489,067,981.60 : x
  2. Step 2: Convert to fraction form
    1,135,300,237.60/1,702,950,356.40 = 489,067,981.60/x
  3. Step 3: Cross multiply
    1,135,300,237.60x = 1,702,950,356.40 × 489,067,981.60
  4. Step 4: Simplify right side
    1,135,300,237.60x = 832,858,493,569,548,672
  5. Step 5: Solve for x
    x = 832,858,493,569,548,672/1,135,300,237.60
  6. Step 6: Final answer
    x = 733,601,972.40

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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.