Home / 649,941,902.07-896,684,443.70-427,043,635.35

Finding the Fourth Proportional to 649,941,902.07, 896,684,443.70 and 427,043,635.35

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Solution

The fourth proportional to 649,941,902.07, 896,684,443.70 and 427,043,635.35 is: 589,165,559.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,941,902.07 : 896,684,443.70 = 427,043,635.35 : x
  2. Step 2: Convert to fraction form
    649,941,902.07/896,684,443.70 = 427,043,635.35/x
  3. Step 3: Cross multiply
    649,941,902.07x = 896,684,443.70 × 427,043,635.35
  4. Step 4: Simplify right side
    649,941,902.07x = 382,923,384,597,305,216
  5. Step 5: Solve for x
    x = 382,923,384,597,305,216/649,941,902.07
  6. Step 6: Final answer
    x = 589,165,559.84

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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.