Home / 863,006,689.80-1,191,273,101.46-565,668,093.60

Finding the Fourth Proportional to 863,006,689.80, 1,191,273,101.46 and 565,668,093.60

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Solution

The fourth proportional to 863,006,689.80, 1,191,273,101.46 and 565,668,093.60 is: 780,834,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,006,689.80 : 1,191,273,101.46 = 565,668,093.60 : x
  2. Step 2: Convert to fraction form
    863,006,689.80/1,191,273,101.46 = 565,668,093.60/x
  3. Step 3: Cross multiply
    863,006,689.80x = 1,191,273,101.46 × 565,668,093.60
  4. Step 4: Simplify right side
    863,006,689.80x = 673,865,184,259,837,568
  5. Step 5: Solve for x
    x = 673,865,184,259,837,568/863,006,689.80
  6. Step 6: Final answer
    x = 780,834,253.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.