Home / 315,207,190.40-471,535,327.20-276,943,438.40

Finding the Fourth Proportional to 315,207,190.40, 471,535,327.20 and 276,943,438.40

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Solution

The fourth proportional to 315,207,190.40, 471,535,327.20 and 276,943,438.40 is: 414,294,530.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,207,190.40 : 471,535,327.20 = 276,943,438.40 : x
  2. Step 2: Convert to fraction form
    315,207,190.40/471,535,327.20 = 276,943,438.40/x
  3. Step 3: Cross multiply
    315,207,190.40x = 471,535,327.20 × 276,943,438.40
  4. Step 4: Simplify right side
    315,207,190.40x = 130,588,614,841,837,024
  5. Step 5: Solve for x
    x = 130,588,614,841,837,024/315,207,190.40
  6. Step 6: Final answer
    x = 414,294,530.13

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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.