Home / 2,130,405,171.06-2,940,049,931.59-1,190,607,785.30

Finding the Fourth Proportional to 2,130,405,171.06, 2,940,049,931.59 and 1,190,607,785.30

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Solution

The fourth proportional to 2,130,405,171.06, 2,940,049,931.59 and 1,190,607,785.30 is: 1,643,089,486.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130,405,171.06 : 2,940,049,931.59 = 1,190,607,785.30 : x
  2. Step 2: Convert to fraction form
    2,130,405,171.06/2,940,049,931.59 = 1,190,607,785.30/x
  3. Step 3: Cross multiply
    2,130,405,171.06x = 2,940,049,931.59 × 1,190,607,785.30
  4. Step 4: Simplify right side
    2,130,405,171.06x = 3,500,446,337,707,433,472
  5. Step 5: Solve for x
    x = 3,500,446,337,707,433,472/2,130,405,171.06
  6. Step 6: Final answer
    x = 1,643,089,486.10

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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.