Home / 30,240,864,792.60-45,361,297,188.90-19,792,309,579.80

Finding the Fourth Proportional to 30,240,864,792.60, 45,361,297,188.90 and 19,792,309,579.80

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Solution

The fourth proportional to 30,240,864,792.60, 45,361,297,188.90 and 19,792,309,579.80 is: 29,688,464,369.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,864,792.60 : 45,361,297,188.90 = 19,792,309,579.80 : x
  2. Step 2: Convert to fraction form
    30,240,864,792.60/45,361,297,188.90 = 19,792,309,579.80/x
  3. Step 3: Cross multiply
    30,240,864,792.60x = 45,361,297,188.90 × 19,792,309,579.80
  4. Step 4: Simplify right side
    30,240,864,792.60x = 897,804,836,904,020,213,760
  5. Step 5: Solve for x
    x = 897,804,836,904,020,213,760/30,240,864,792.60
  6. Step 6: Final answer
    x = 29,688,464,369.70

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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.