Home / 445,884,804.30-668,827,206.45-343,848,132.30

Finding the Fourth Proportional to 445,884,804.30, 668,827,206.45 and 343,848,132.30

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Solution

The fourth proportional to 445,884,804.30, 668,827,206.45 and 343,848,132.30 is: 515,772,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,884,804.30 : 668,827,206.45 = 343,848,132.30 : x
  2. Step 2: Convert to fraction form
    445,884,804.30/668,827,206.45 = 343,848,132.30/x
  3. Step 3: Cross multiply
    445,884,804.30x = 668,827,206.45 × 343,848,132.30
  4. Step 4: Simplify right side
    445,884,804.30x = 229,974,985,769,259,040
  5. Step 5: Solve for x
    x = 229,974,985,769,259,040/445,884,804.30
  6. Step 6: Final answer
    x = 515,772,198.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.