Home / 1,211,507,195.22-1,671,879,932.61-654,590,242.26

Finding the Fourth Proportional to 1,211,507,195.22, 1,671,879,932.61 and 654,590,242.26

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Solution

The fourth proportional to 1,211,507,195.22, 1,671,879,932.61 and 654,590,242.26 is: 903,334,536.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,507,195.22 : 1,671,879,932.61 = 654,590,242.26 : x
  2. Step 2: Convert to fraction form
    1,211,507,195.22/1,671,879,932.61 = 654,590,242.26/x
  3. Step 3: Cross multiply
    1,211,507,195.22x = 1,671,879,932.61 × 654,590,242.26
  4. Step 4: Simplify right side
    1,211,507,195.22x = 1,094,396,290,116,812,288
  5. Step 5: Solve for x
    x = 1,094,396,290,116,812,288/1,211,507,195.22
  6. Step 6: Final answer
    x = 903,334,536.05

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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.