Home / 524,016,121.60-786,024,182.40-330,146,444.80

Finding the Fourth Proportional to 524,016,121.60, 786,024,182.40 and 330,146,444.80

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Solution

The fourth proportional to 524,016,121.60, 786,024,182.40 and 330,146,444.80 is: 495,219,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,016,121.60 : 786,024,182.40 = 330,146,444.80 : x
  2. Step 2: Convert to fraction form
    524,016,121.60/786,024,182.40 = 330,146,444.80/x
  3. Step 3: Cross multiply
    524,016,121.60x = 786,024,182.40 × 330,146,444.80
  4. Step 4: Simplify right side
    524,016,121.60x = 259,503,089,346,186,720
  5. Step 5: Solve for x
    x = 259,503,089,346,186,720/524,016,121.60
  6. Step 6: Final answer
    x = 495,219,667.20

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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.