Home / 12,410,655,860.12-18,615,861,104.34-5,685,890,306.36

Finding the Fourth Proportional to 12,410,655,860.12, 18,615,861,104.34 and 5,685,890,306.36

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Solution

The fourth proportional to 12,410,655,860.12, 18,615,861,104.34 and 5,685,890,306.36 is: 8,528,779,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410,655,860.12 : 18,615,861,104.34 = 5,685,890,306.36 : x
  2. Step 2: Convert to fraction form
    12,410,655,860.12/18,615,861,104.34 = 5,685,890,306.36/x
  3. Step 3: Cross multiply
    12,410,655,860.12x = 18,615,861,104.34 × 5,685,890,306.36
  4. Step 4: Simplify right side
    12,410,655,860.12x = 105,847,744,197,710,970,880
  5. Step 5: Solve for x
    x = 105,847,744,197,710,970,880/12,410,655,860.12
  6. Step 6: Final answer
    x = 8,528,779,251.53

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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.