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Finding the Fourth Proportional to 573,939,432,002.80, 860,909,148,004.20 and 573,939,432,002.80

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Solution

The fourth proportional to 573,939,432,002.80, 860,909,148,004.20 and 573,939,432,002.80 is: 860,909,148,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,939,432,002.80 : 860,909,148,004.20 = 573,939,432,002.80 : x
  2. Step 2: Convert to fraction form
    573,939,432,002.80/860,909,148,004.20 = 573,939,432,002.80/x
  3. Step 3: Cross multiply
    573,939,432,002.80x = 860,909,148,004.20 × 573,939,432,002.80
  4. Step 4: Simplify right side
    573,939,432,002.80x = 494,109,707,411,545,066,045,440
  5. Step 5: Solve for x
    x = 494,109,707,411,545,066,045,440/573,939,432,002.80
  6. Step 6: Final answer
    x = 860,909,148,004.20

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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.