Home / 1,565,839,373.49-2,158,852,413.33-1,282,538,149.11

Finding the Fourth Proportional to 1,565,839,373.49, 2,158,852,413.33 and 1,282,538,149.11

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Solution

The fourth proportional to 1,565,839,373.49, 2,158,852,413.33 and 1,282,538,149.11 is: 1,768,259,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,839,373.49 : 2,158,852,413.33 = 1,282,538,149.11 : x
  2. Step 2: Convert to fraction form
    1,565,839,373.49/2,158,852,413.33 = 1,282,538,149.11/x
  3. Step 3: Cross multiply
    1,565,839,373.49x = 2,158,852,413.33 × 1,282,538,149.11
  4. Step 4: Simplify right side
    1,565,839,373.49x = 2,768,810,578,393,914,368
  5. Step 5: Solve for x
    x = 2,768,810,578,393,914,368/1,565,839,373.49
  6. Step 6: Final answer
    x = 1,768,259,647.36

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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.