Home / 20,155,424,277.60-30,233,136,416.40-15,257,664,021.60

Finding the Fourth Proportional to 20,155,424,277.60, 30,233,136,416.40 and 15,257,664,021.60

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Solution

The fourth proportional to 20,155,424,277.60, 30,233,136,416.40 and 15,257,664,021.60 is: 22,886,496,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,424,277.60 : 30,233,136,416.40 = 15,257,664,021.60 : x
  2. Step 2: Convert to fraction form
    20,155,424,277.60/30,233,136,416.40 = 15,257,664,021.60/x
  3. Step 3: Cross multiply
    20,155,424,277.60x = 30,233,136,416.40 × 15,257,664,021.60
  4. Step 4: Simplify right side
    20,155,424,277.60x = 461,287,037,760,631,078,912
  5. Step 5: Solve for x
    x = 461,287,037,760,631,078,912/20,155,424,277.60
  6. Step 6: Final answer
    x = 22,886,496,032.40

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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.