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Finding the Fourth Proportional to 565,164,835.80, 847,787,610 and 150,639,485.67

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Solution

The fourth proportional to 565,164,835.80, 847,787,610 and 150,639,485.67 is: 225,969,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,164,835.80 : 847,787,610 = 150,639,485.67 : x
  2. Step 2: Convert to fraction form
    565,164,835.80/847,787,610 = 150,639,485.67/x
  3. Step 3: Cross multiply
    565,164,835.80x = 847,787,610 × 150,639,485.67
  4. Step 4: Simplify right side
    565,164,835.80x = 127,710,289,527,798,544
  5. Step 5: Solve for x
    x = 127,710,289,527,798,544/565,164,835.80
  6. Step 6: Final answer
    x = 225,969,985.11

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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.