Home / 879,433,626.10-1,320,452,141.55-492,030,195.70

Finding the Fourth Proportional to 879,433,626.10, 1,320,452,141.55 and 492,030,195.70

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Solution

The fourth proportional to 879,433,626.10, 1,320,452,141.55 and 492,030,195.70 is: 738,773,576.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,433,626.10 : 1,320,452,141.55 = 492,030,195.70 : x
  2. Step 2: Convert to fraction form
    879,433,626.10/1,320,452,141.55 = 492,030,195.70/x
  3. Step 3: Cross multiply
    879,433,626.10x = 1,320,452,141.55 × 492,030,195.70
  4. Step 4: Simplify right side
    879,433,626.10x = 649,702,325,619,330,560
  5. Step 5: Solve for x
    x = 649,702,325,619,330,560/879,433,626.10
  6. Step 6: Final answer
    x = 738,773,576.92

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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.