Home / 1,322,849,928.24-1,825,518,413.99-728,121,697.20

Finding the Fourth Proportional to 1,322,849,928.24, 1,825,518,413.99 and 728,121,697.20

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Solution

The fourth proportional to 1,322,849,928.24, 1,825,518,413.99 and 728,121,697.20 is: 1,004,799,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,849,928.24 : 1,825,518,413.99 = 728,121,697.20 : x
  2. Step 2: Convert to fraction form
    1,322,849,928.24/1,825,518,413.99 = 728,121,697.20/x
  3. Step 3: Cross multiply
    1,322,849,928.24x = 1,825,518,413.99 × 728,121,697.20
  4. Step 4: Simplify right side
    1,322,849,928.24x = 1,329,199,565,860,610,304
  5. Step 5: Solve for x
    x = 1,329,199,565,860,610,304/1,322,849,928.24
  6. Step 6: Final answer
    x = 1,004,799,968.22

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1.5x scale

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.