Home / 918,962,297.58-1,268,176,064.31-501,276,440.46

Finding the Fourth Proportional to 918,962,297.58, 1,268,176,064.31 and 501,276,440.46

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Solution

The fourth proportional to 918,962,297.58, 1,268,176,064.31 and 501,276,440.46 is: 691,765,902.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,962,297.58 : 1,268,176,064.31 = 501,276,440.46 : x
  2. Step 2: Convert to fraction form
    918,962,297.58/1,268,176,064.31 = 501,276,440.46/x
  3. Step 3: Cross multiply
    918,962,297.58x = 1,268,176,064.31 × 501,276,440.46
  4. Step 4: Simplify right side
    918,962,297.58x = 635,706,783,393,888,768
  5. Step 5: Solve for x
    x = 635,706,783,393,888,768/918,962,297.58
  6. Step 6: Final answer
    x = 691,765,902.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.