Home / 21,038,670,055.41-29,033,380,329.45-11,393,474,896.05

Finding the Fourth Proportional to 21,038,670,055.41, 29,033,380,329.45 and 11,393,474,896.05

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Solution

The fourth proportional to 21,038,670,055.41, 29,033,380,329.45 and 11,393,474,896.05 is: 15,723,003,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,038,670,055.41 : 29,033,380,329.45 = 11,393,474,896.05 : x
  2. Step 2: Convert to fraction form
    21,038,670,055.41/29,033,380,329.45 = 11,393,474,896.05/x
  3. Step 3: Cross multiply
    21,038,670,055.41x = 29,033,380,329.45 × 11,393,474,896.05
  4. Step 4: Simplify right side
    21,038,670,055.41x = 330,791,089,931,060,445,184
  5. Step 5: Solve for x
    x = 330,791,089,931,060,445,184/21,038,670,055.41
  6. Step 6: Final answer
    x = 15,723,003,833.41

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Double scale
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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.