Home / 1,088,325,599.19-1,632,471,993.63-489,640,655.88

Finding the Fourth Proportional to 1,088,325,599.19, 1,632,471,993.63 and 489,640,655.88

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Solution

The fourth proportional to 1,088,325,599.19, 1,632,471,993.63 and 489,640,655.88 is: 734,453,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,325,599.19 : 1,632,471,993.63 = 489,640,655.88 : x
  2. Step 2: Convert to fraction form
    1,088,325,599.19/1,632,471,993.63 = 489,640,655.88/x
  3. Step 3: Cross multiply
    1,088,325,599.19x = 1,632,471,993.63 × 489,640,655.88
  4. Step 4: Simplify right side
    1,088,325,599.19x = 799,324,657,666,724,480
  5. Step 5: Solve for x
    x = 799,324,657,666,724,480/1,088,325,599.19
  6. Step 6: Final answer
    x = 734,453,603.10

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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.