Home / 1,276,008,333.99-1,912,920,784.13-489,626,315.43

Finding the Fourth Proportional to 1,276,008,333.99, 1,912,920,784.13 and 489,626,315.43

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Solution

The fourth proportional to 1,276,008,333.99, 1,912,920,784.13 and 489,626,315.43 is: 734,020,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,008,333.99 : 1,912,920,784.13 = 489,626,315.43 : x
  2. Step 2: Convert to fraction form
    1,276,008,333.99/1,912,920,784.13 = 489,626,315.43/x
  3. Step 3: Cross multiply
    1,276,008,333.99x = 1,912,920,784.13 × 489,626,315.43
  4. Step 4: Simplify right side
    1,276,008,333.99x = 936,616,355,233,473,792
  5. Step 5: Solve for x
    x = 936,616,355,233,473,792/1,276,008,333.99
  6. Step 6: Final answer
    x = 734,020,562.63

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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.