Home / 262,393,345,839.60-393,590,018,759.40-120,902,493,999.60

Finding the Fourth Proportional to 262,393,345,839.60, 393,590,018,759.40 and 120,902,493,999.60

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Solution

The fourth proportional to 262,393,345,839.60, 393,590,018,759.40 and 120,902,493,999.60 is: 181,353,740,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,393,345,839.60 : 393,590,018,759.40 = 120,902,493,999.60 : x
  2. Step 2: Convert to fraction form
    262,393,345,839.60/393,590,018,759.40 = 120,902,493,999.60/x
  3. Step 3: Cross multiply
    262,393,345,839.60x = 393,590,018,759.40 × 120,902,493,999.60
  4. Step 4: Simplify right side
    262,393,345,839.60x = 47,586,014,881,360,816,111,616
  5. Step 5: Solve for x
    x = 47,586,014,881,360,816,111,616/262,393,345,839.60
  6. Step 6: Final answer
    x = 181,353,740,999.40

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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.