Home / 1,212,708,647.19-1,819,208,189.81-372,241,301.44

Finding the Fourth Proportional to 1,212,708,647.19, 1,819,208,189.81 and 372,241,301.44

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Solution

The fourth proportional to 1,212,708,647.19, 1,819,208,189.81 and 372,241,301.44 is: 558,406,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,708,647.19 : 1,819,208,189.81 = 372,241,301.44 : x
  2. Step 2: Convert to fraction form
    1,212,708,647.19/1,819,208,189.81 = 372,241,301.44/x
  3. Step 3: Cross multiply
    1,212,708,647.19x = 1,819,208,189.81 × 372,241,301.44
  4. Step 4: Simplify right side
    1,212,708,647.19x = 677,184,424,165,180,928
  5. Step 5: Solve for x
    x = 677,184,424,165,180,928/1,212,708,647.19
  6. Step 6: Final answer
    x = 558,406,527.19

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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.