Home / 3,975,507,570.75-5,486,445,900.50-2,191,356,999.69

Finding the Fourth Proportional to 3,975,507,570.75, 5,486,445,900.50 and 2,191,356,999.69

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Solution

The fourth proportional to 3,975,507,570.75, 5,486,445,900.50 and 2,191,356,999.69 is: 3,024,207,956.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,507,570.75 : 5,486,445,900.50 = 2,191,356,999.69 : x
  2. Step 2: Convert to fraction form
    3,975,507,570.75/5,486,445,900.50 = 2,191,356,999.69/x
  3. Step 3: Cross multiply
    3,975,507,570.75x = 5,486,445,900.50 × 2,191,356,999.69
  4. Step 4: Simplify right side
    3,975,507,570.75x = 12,022,761,627,470,223,360
  5. Step 5: Solve for x
    x = 12,022,761,627,470,223,360/3,975,507,570.75
  6. Step 6: Final answer
    x = 3,024,207,956.72

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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.