Home / 1,312,246,320,413.90-1,978,205,036,141.40-1,224,771,616,753.90

Finding the Fourth Proportional to 1,312,246,320,413.90, 1,978,205,036,141.40 and 1,224,771,616,753.90

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Solution

The fourth proportional to 1,312,246,320,413.90, 1,978,205,036,141.40 and 1,224,771,616,753.90 is: 1,846,337,339,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,246,320,413.90 : 1,978,205,036,141.40 = 1,224,771,616,753.90 : x
  2. Step 2: Convert to fraction form
    1,312,246,320,413.90/1,978,205,036,141.40 = 1,224,771,616,753.90/x
  3. Step 3: Cross multiply
    1,312,246,320,413.90x = 1,978,205,036,141.40 × 1,224,771,616,753.90
  4. Step 4: Simplify right side
    1,312,246,320,413.90x = 2,422,849,380,385,609,293,496,320
  5. Step 5: Solve for x
    x = 2,422,849,380,385,609,293,496,320/1,312,246,320,413.90
  6. Step 6: Final answer
    x = 1,846,337,339,792.59

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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.