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Finding the Fourth Proportional to 288,287,424,000.67, 432,431,136,000.98 and 288,287,424,000.67

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Solution

The fourth proportional to 288,287,424,000.67, 432,431,136,000.98 and 288,287,424,000.67 is: 432,431,136,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,287,424,000.67 : 432,431,136,000.98 = 288,287,424,000.67 : x
  2. Step 2: Convert to fraction form
    288,287,424,000.67/432,431,136,000.98 = 288,287,424,000.67/x
  3. Step 3: Cross multiply
    288,287,424,000.67x = 432,431,136,000.98 × 288,287,424,000.67
  4. Step 4: Simplify right side
    288,287,424,000.67x = 124,664,458,255,405,900,890,112
  5. Step 5: Solve for x
    x = 124,664,458,255,405,900,890,112/288,287,424,000.67
  6. Step 6: Final answer
    x = 432,431,136,000.98

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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.