Home / 7,124,539,527.92-10,689,773,330.25-3,138,583,667.31

Finding the Fourth Proportional to 7,124,539,527.92, 10,689,773,330.25 and 3,138,583,667.31

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Solution

The fourth proportional to 7,124,539,527.92, 10,689,773,330.25 and 3,138,583,667.31 is: 4,709,181,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124,539,527.92 : 10,689,773,330.25 = 3,138,583,667.31 : x
  2. Step 2: Convert to fraction form
    7,124,539,527.92/10,689,773,330.25 = 3,138,583,667.31/x
  3. Step 3: Cross multiply
    7,124,539,527.92x = 10,689,773,330.25 × 3,138,583,667.31
  4. Step 4: Simplify right side
    7,124,539,527.92x = 33,550,747,981,568,675,840
  5. Step 5: Solve for x
    x = 33,550,747,981,568,675,840/7,124,539,527.92
  6. Step 6: Final answer
    x = 4,709,181,253.06

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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.