Home / 993,366,058.93-1,490,279,642.40-338,322,760.22

Finding the Fourth Proportional to 993,366,058.93, 1,490,279,642.40 and 338,322,760.22

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Solution

The fourth proportional to 993,366,058.93, 1,490,279,642.40 and 338,322,760.22 is: 507,562,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,366,058.93 : 1,490,279,642.40 = 338,322,760.22 : x
  2. Step 2: Convert to fraction form
    993,366,058.93/1,490,279,642.40 = 338,322,760.22/x
  3. Step 3: Cross multiply
    993,366,058.93x = 1,490,279,642.40 × 338,322,760.22
  4. Step 4: Simplify right side
    993,366,058.93x = 504,195,522,116,442,624
  5. Step 5: Solve for x
    x = 504,195,522,116,442,624/993,366,058.93
  6. Step 6: Final answer
    x = 507,562,662.91

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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.