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Finding the Fourth Proportional to 245,225,421,000.55, 367,838,131,500.80 and 245,225,421,000.55

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Solution

The fourth proportional to 245,225,421,000.55, 367,838,131,500.80 and 245,225,421,000.55 is: 367,838,131,500.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,225,421,000.55 : 367,838,131,500.80 = 245,225,421,000.55 : x
  2. Step 2: Convert to fraction form
    245,225,421,000.55/367,838,131,500.80 = 245,225,421,000.55/x
  3. Step 3: Cross multiply
    245,225,421,000.55x = 367,838,131,500.80 × 245,225,421,000.55
  4. Step 4: Simplify right side
    245,225,421,000.55x = 90,203,260,657,339,339,898,880
  5. Step 5: Solve for x
    x = 90,203,260,657,339,339,898,880/245,225,421,000.55
  6. Step 6: Final answer
    x = 367,838,131,500.80

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1.5x scale

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.