Home / 957,821,806.20-1,436,945,285.70-440,127,413.40

Finding the Fourth Proportional to 957,821,806.20, 1,436,945,285.70 and 440,127,413.40

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Solution

The fourth proportional to 957,821,806.20, 1,436,945,285.70 and 440,127,413.40 is: 660,288,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,821,806.20 : 1,436,945,285.70 = 440,127,413.40 : x
  2. Step 2: Convert to fraction form
    957,821,806.20/1,436,945,285.70 = 440,127,413.40/x
  3. Step 3: Cross multiply
    957,821,806.20x = 1,436,945,285.70 × 440,127,413.40
  4. Step 4: Simplify right side
    957,821,806.20x = 632,439,011,792,465,024
  5. Step 5: Solve for x
    x = 632,439,011,792,465,024/957,821,806.20
  6. Step 6: Final answer
    x = 660,288,800.80

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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.