Home / 993,295,571,782.45-1,489,943,356,002.20-238,679,153,997.18

Finding the Fourth Proportional to 993,295,571,782.45, 1,489,943,356,002.20 and 238,679,153,997.18

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Solution

The fourth proportional to 993,295,571,782.45, 1,489,943,356,002.20 and 238,679,153,997.18 is: 358,018,730,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,295,571,782.45 : 1,489,943,356,002.20 = 238,679,153,997.18 : x
  2. Step 2: Convert to fraction form
    993,295,571,782.45/1,489,943,356,002.20 = 238,679,153,997.18/x
  3. Step 3: Cross multiply
    993,295,571,782.45x = 1,489,943,356,002.20 × 238,679,153,997.18
  4. Step 4: Simplify right side
    993,295,571,782.45x = 355,618,419,714,324,260,978,688
  5. Step 5: Solve for x
    x = 355,618,419,714,324,260,978,688/993,295,571,782.45
  6. Step 6: Final answer
    x = 358,018,730,594.13

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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.