Home / 19,907,453,331.60-29,861,179,997.40-15,521,640,032.40

Finding the Fourth Proportional to 19,907,453,331.60, 29,861,179,997.40 and 15,521,640,032.40

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Solution

The fourth proportional to 19,907,453,331.60, 29,861,179,997.40 and 15,521,640,032.40 is: 23,282,460,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907,453,331.60 : 29,861,179,997.40 = 15,521,640,032.40 : x
  2. Step 2: Convert to fraction form
    19,907,453,331.60/29,861,179,997.40 = 15,521,640,032.40/x
  3. Step 3: Cross multiply
    19,907,453,331.60x = 29,861,179,997.40 × 15,521,640,032.40
  4. Step 4: Simplify right side
    19,907,453,331.60x = 463,494,486,862,345,994,240
  5. Step 5: Solve for x
    x = 463,494,486,862,345,994,240/19,907,453,331.60
  6. Step 6: Final answer
    x = 23,282,460,048.60

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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.