Home / 20,970,065,285.80-28,938,688,987.54-11,324,794,327.02

Finding the Fourth Proportional to 20,970,065,285.80, 28,938,688,987.54 and 11,324,794,327.02

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Solution

The fourth proportional to 20,970,065,285.80, 28,938,688,987.54 and 11,324,794,327.02 is: 15,628,215,573.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,970,065,285.80 : 28,938,688,987.54 = 11,324,794,327.02 : x
  2. Step 2: Convert to fraction form
    20,970,065,285.80/28,938,688,987.54 = 11,324,794,327.02/x
  3. Step 3: Cross multiply
    20,970,065,285.80x = 28,938,688,987.54 × 11,324,794,327.02
  4. Step 4: Simplify right side
    20,970,065,285.80x = 327,724,700,877,489,176,576
  5. Step 5: Solve for x
    x = 327,724,700,877,489,176,576/20,970,065,285.80
  6. Step 6: Final answer
    x = 15,628,215,573.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.