Home / 860,789,024.70-1,289,270,349.45-745,997,768.70

Finding the Fourth Proportional to 860,789,024.70, 1,289,270,349.45 and 745,997,768.70

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Solution

The fourth proportional to 860,789,024.70, 1,289,270,349.45 and 745,997,768.70 is: 1,117,338,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,789,024.70 : 1,289,270,349.45 = 745,997,768.70 : x
  2. Step 2: Convert to fraction form
    860,789,024.70/1,289,270,349.45 = 745,997,768.70/x
  3. Step 3: Cross multiply
    860,789,024.70x = 1,289,270,349.45 × 745,997,768.70
  4. Step 4: Simplify right side
    860,789,024.70x = 961,792,803,940,769,408
  5. Step 5: Solve for x
    x = 961,792,803,940,769,408/860,789,024.70
  6. Step 6: Final answer
    x = 1,117,338,600.22

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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.