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Finding the Fourth Proportional to 860,773,379.11, 1,289,814,858.50 and 598,969,443.62

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Solution

The fourth proportional to 860,773,379.11, 1,289,814,858.50 and 598,969,443.62 is: 897,518,100.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,773,379.11 : 1,289,814,858.50 = 598,969,443.62 : x
  2. Step 2: Convert to fraction form
    860,773,379.11/1,289,814,858.50 = 598,969,443.62/x
  3. Step 3: Cross multiply
    860,773,379.11x = 1,289,814,858.50 × 598,969,443.62
  4. Step 4: Simplify right side
    860,773,379.11x = 772,559,688,168,783,616
  5. Step 5: Solve for x
    x = 772,559,688,168,783,616/860,773,379.11
  6. Step 6: Final answer
    x = 897,518,100.49

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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.