Home / 860,789,025.20-1,289,270,350.20-745,997,769.20

Finding the Fourth Proportional to 860,789,025.20, 1,289,270,350.20 and 745,997,769.20

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Solution

The fourth proportional to 860,789,025.20, 1,289,270,350.20 and 745,997,769.20 is: 1,117,338,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,789,025.20 : 1,289,270,350.20 = 745,997,769.20 : x
  2. Step 2: Convert to fraction form
    860,789,025.20/1,289,270,350.20 = 745,997,769.20/x
  3. Step 3: Cross multiply
    860,789,025.20x = 1,289,270,350.20 × 745,997,769.20
  4. Step 4: Simplify right side
    860,789,025.20x = 961,792,805,144,902,912
  5. Step 5: Solve for x
    x = 961,792,805,144,902,912/860,789,025.20
  6. Step 6: Final answer
    x = 1,117,338,600.97

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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.