Home / 15,472,972,493.44-21,352,573,683.78-8,698,821,268.59

Finding the Fourth Proportional to 15,472,972,493.44, 21,352,573,683.78 and 8,698,821,268.59

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Solution

The fourth proportional to 15,472,972,493.44, 21,352,573,683.78 and 8,698,821,268.59 is: 12,004,301,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,972,493.44 : 21,352,573,683.78 = 8,698,821,268.59 : x
  2. Step 2: Convert to fraction form
    15,472,972,493.44/21,352,573,683.78 = 8,698,821,268.59/x
  3. Step 3: Cross multiply
    15,472,972,493.44x = 21,352,573,683.78 × 8,698,821,268.59
  4. Step 4: Simplify right side
    15,472,972,493.44x = 185,742,222,099,600,572,416
  5. Step 5: Solve for x
    x = 185,742,222,099,600,572,416/15,472,972,493.44
  6. Step 6: Final answer
    x = 12,004,301,188.95

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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.