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Finding the Fourth Proportional to 438,379,803,000.90, 657,569,704,501.35 and 438,379,803,000.90

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Solution

The fourth proportional to 438,379,803,000.90, 657,569,704,501.35 and 438,379,803,000.90 is: 657,569,704,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,379,803,000.90 : 657,569,704,501.35 = 438,379,803,000.90 : x
  2. Step 2: Convert to fraction form
    438,379,803,000.90/657,569,704,501.35 = 438,379,803,000.90/x
  3. Step 3: Cross multiply
    438,379,803,000.90x = 657,569,704,501.35 × 438,379,803,000.90
  4. Step 4: Simplify right side
    438,379,803,000.90x = 288,265,277,518,661,839,486,976
  5. Step 5: Solve for x
    x = 288,265,277,518,661,839,486,976/438,379,803,000.90
  6. Step 6: Final answer
    x = 657,569,704,501.35

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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.