Home / 860,789,024.20-1,289,270,348.70-745,997,768.20

Finding the Fourth Proportional to 860,789,024.20, 1,289,270,348.70 and 745,997,768.20

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Solution

The fourth proportional to 860,789,024.20, 1,289,270,348.70 and 745,997,768.20 is: 1,117,338,599.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,789,024.20 : 1,289,270,348.70 = 745,997,768.20 : x
  2. Step 2: Convert to fraction form
    860,789,024.20/1,289,270,348.70 = 745,997,768.20/x
  3. Step 3: Cross multiply
    860,789,024.20x = 1,289,270,348.70 × 745,997,768.20
  4. Step 4: Simplify right side
    860,789,024.20x = 961,792,802,736,635,904
  5. Step 5: Solve for x
    x = 961,792,802,736,635,904/860,789,024.20
  6. Step 6: Final answer
    x = 1,117,338,599.47

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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.