Home / 8,904,987,855.78-12,288,835,707.48-4,835,853,993.12

Finding the Fourth Proportional to 8,904,987,855.78, 12,288,835,707.48 and 4,835,853,993.12

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Solution

The fourth proportional to 8,904,987,855.78, 12,288,835,707.48 and 4,835,853,993.12 is: 6,673,452,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,987,855.78 : 12,288,835,707.48 = 4,835,853,993.12 : x
  2. Step 2: Convert to fraction form
    8,904,987,855.78/12,288,835,707.48 = 4,835,853,993.12/x
  3. Step 3: Cross multiply
    8,904,987,855.78x = 12,288,835,707.48 × 4,835,853,993.12
  4. Step 4: Simplify right side
    8,904,987,855.78x = 59,427,015,226,871,775,232
  5. Step 5: Solve for x
    x = 59,427,015,226,871,775,232/8,904,987,855.78
  6. Step 6: Final answer
    x = 6,673,452,697.45

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Double scale
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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.