Home / 19,907,453,320.60-29,861,179,980.90-15,521,640,021.40

Finding the Fourth Proportional to 19,907,453,320.60, 29,861,179,980.90 and 15,521,640,021.40

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Solution

The fourth proportional to 19,907,453,320.60, 29,861,179,980.90 and 15,521,640,021.40 is: 23,282,460,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,907,453,320.60 : 29,861,179,980.90 = 15,521,640,021.40 : x
  2. Step 2: Convert to fraction form
    19,907,453,320.60/29,861,179,980.90 = 15,521,640,021.40/x
  3. Step 3: Cross multiply
    19,907,453,320.60x = 29,861,179,980.90 × 15,521,640,021.40
  4. Step 4: Simplify right side
    19,907,453,320.60x = 463,494,486,277,765,922,816
  5. Step 5: Solve for x
    x = 463,494,486,277,765,922,816/19,907,453,320.60
  6. Step 6: Final answer
    x = 23,282,460,032.10

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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.