Home / 852,808,364.70-1,280,169,140.85-659,576,417.10

Finding the Fourth Proportional to 852,808,364.70, 1,280,169,140.85 and 659,576,417.10

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Solution

The fourth proportional to 852,808,364.70, 1,280,169,140.85 and 659,576,417.10 is: 990,104,471.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,808,364.70 : 1,280,169,140.85 = 659,576,417.10 : x
  2. Step 2: Convert to fraction form
    852,808,364.70/1,280,169,140.85 = 659,576,417.10/x
  3. Step 3: Cross multiply
    852,808,364.70x = 1,280,169,140.85 × 659,576,417.10
  4. Step 4: Simplify right side
    852,808,364.70x = 844,369,375,203,828,224
  5. Step 5: Solve for x
    x = 844,369,375,203,828,224/852,808,364.70
  6. Step 6: Final answer
    x = 990,104,471.48

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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.