Home / 1,303,884,328.40-1,955,154,646.20-485,575,413.20

Finding the Fourth Proportional to 1,303,884,328.40, 1,955,154,646.20 and 485,575,413.20

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Solution

The fourth proportional to 1,303,884,328.40, 1,955,154,646.20 and 485,575,413.20 is: 728,112,919.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,884,328.40 : 1,955,154,646.20 = 485,575,413.20 : x
  2. Step 2: Convert to fraction form
    1,303,884,328.40/1,955,154,646.20 = 485,575,413.20/x
  3. Step 3: Cross multiply
    1,303,884,328.40x = 1,955,154,646.20 × 485,575,413.20
  4. Step 4: Simplify right side
    1,303,884,328.40x = 949,375,025,198,464,768
  5. Step 5: Solve for x
    x = 949,375,025,198,464,768/1,303,884,328.40
  6. Step 6: Final answer
    x = 728,112,919.62

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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.