Home / 3,913,568,000.40-5,870,352,000.60-1,328,638,976.40

Finding the Fourth Proportional to 3,913,568,000.40, 5,870,352,000.60 and 1,328,638,976.40

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Solution

The fourth proportional to 3,913,568,000.40, 5,870,352,000.60 and 1,328,638,976.40 is: 1,992,958,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,568,000.40 : 5,870,352,000.60 = 1,328,638,976.40 : x
  2. Step 2: Convert to fraction form
    3,913,568,000.40/5,870,352,000.60 = 1,328,638,976.40/x
  3. Step 3: Cross multiply
    3,913,568,000.40x = 5,870,352,000.60 × 1,328,638,976.40
  4. Step 4: Simplify right side
    3,913,568,000.40x = 7,799,578,473,184,877,568
  5. Step 5: Solve for x
    x = 7,799,578,473,184,877,568/3,913,568,000.40
  6. Step 6: Final answer
    x = 1,992,958,464.60

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1.5x scale

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.