Home / 995,328,847.20-1,492,993,270.80-985,773,698.40

Finding the Fourth Proportional to 995,328,847.20, 1,492,993,270.80 and 985,773,698.40

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Solution

The fourth proportional to 995,328,847.20, 1,492,993,270.80 and 985,773,698.40 is: 1,478,660,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,328,847.20 : 1,492,993,270.80 = 985,773,698.40 : x
  2. Step 2: Convert to fraction form
    995,328,847.20/1,492,993,270.80 = 985,773,698.40/x
  3. Step 3: Cross multiply
    995,328,847.20x = 1,492,993,270.80 × 985,773,698.40
  4. Step 4: Simplify right side
    995,328,847.20x = 1,471,753,498,242,828,544
  5. Step 5: Solve for x
    x = 1,471,753,498,242,828,544/995,328,847.20
  6. Step 6: Final answer
    x = 1,478,660,547.60

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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.