Home / 686,682,528.90-1,030,023,793.35-469,004,295.30

Finding the Fourth Proportional to 686,682,528.90, 1,030,023,793.35 and 469,004,295.30

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Solution

The fourth proportional to 686,682,528.90, 1,030,023,793.35 and 469,004,295.30 is: 703,506,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,682,528.90 : 1,030,023,793.35 = 469,004,295.30 : x
  2. Step 2: Convert to fraction form
    686,682,528.90/1,030,023,793.35 = 469,004,295.30/x
  3. Step 3: Cross multiply
    686,682,528.90x = 1,030,023,793.35 × 469,004,295.30
  4. Step 4: Simplify right side
    686,682,528.90x = 483,085,583,342,349,568
  5. Step 5: Solve for x
    x = 483,085,583,342,349,568/686,682,528.90
  6. Step 6: Final answer
    x = 703,506,442.95

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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.