Home / 8,199,792,040.80-12,299,688,061.20-3,778,202,920.80

Finding the Fourth Proportional to 8,199,792,040.80, 12,299,688,061.20 and 3,778,202,920.80

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Solution

The fourth proportional to 8,199,792,040.80, 12,299,688,061.20 and 3,778,202,920.80 is: 5,667,304,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,792,040.80 : 12,299,688,061.20 = 3,778,202,920.80 : x
  2. Step 2: Convert to fraction form
    8,199,792,040.80/12,299,688,061.20 = 3,778,202,920.80/x
  3. Step 3: Cross multiply
    8,199,792,040.80x = 12,299,688,061.20 × 3,778,202,920.80
  4. Step 4: Simplify right side
    8,199,792,040.80x = 46,470,717,357,754,736,640
  5. Step 5: Solve for x
    x = 46,470,717,357,754,736,640/8,199,792,040.80
  6. Step 6: Final answer
    x = 5,667,304,381.20

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Double scale
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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.