Home / 10,143,113,543.66-13,997,513,157.08-5,626,992,713.51

Finding the Fourth Proportional to 10,143,113,543.66, 13,997,513,157.08 and 5,626,992,713.51

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Solution

The fourth proportional to 10,143,113,543.66, 13,997,513,157.08 and 5,626,992,713.51 is: 7,765,259,079.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,113,543.66 : 13,997,513,157.08 = 5,626,992,713.51 : x
  2. Step 2: Convert to fraction form
    10,143,113,543.66/13,997,513,157.08 = 5,626,992,713.51/x
  3. Step 3: Cross multiply
    10,143,113,543.66x = 13,997,513,157.08 × 5,626,992,713.51
  4. Step 4: Simplify right side
    10,143,113,543.66x = 78,763,904,542,157,783,040
  5. Step 5: Solve for x
    x = 78,763,904,542,157,783,040/10,143,113,543.66
  6. Step 6: Final answer
    x = 7,765,259,079.78

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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.