Home / 1,312,246,320,413.20-1,978,205,036,140.30-1,224,771,616,753.30

Finding the Fourth Proportional to 1,312,246,320,413.20, 1,978,205,036,140.30 and 1,224,771,616,753.30

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Solution

The fourth proportional to 1,312,246,320,413.20, 1,978,205,036,140.30 and 1,224,771,616,753.30 is: 1,846,337,339,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,246,320,413.20 : 1,978,205,036,140.30 = 1,224,771,616,753.30 : x
  2. Step 2: Convert to fraction form
    1,312,246,320,413.20/1,978,205,036,140.30 = 1,224,771,616,753.30/x
  3. Step 3: Cross multiply
    1,312,246,320,413.20x = 1,978,205,036,140.30 × 1,224,771,616,753.30
  4. Step 4: Simplify right side
    1,312,246,320,413.20x = 2,422,849,380,383,075,799,662,592
  5. Step 5: Solve for x
    x = 2,422,849,380,383,075,799,662,592/1,312,246,320,413.20
  6. Step 6: Final answer
    x = 1,846,337,339,791.64

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.