Finding the Fourth Proportional to 677,414,106.41, 933,089,685.35 and 478,834,201.58
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Solution
The fourth proportional to 677,414,106.41, 933,089,685.35 and 478,834,201.58 is: 659,560,009.54
Step by Step Solution
- Step 1: Write the proportion equation
677,414,106.41 : 933,089,685.35 = 478,834,201.58 : x - Step 2: Convert to fraction form
677,414,106.41/933,089,685.35 = 478,834,201.58/x - Step 3: Cross multiply
677,414,106.41x = 933,089,685.35 × 478,834,201.58 - Step 4: Simplify right side
677,414,106.41x = 446,795,254,480,041,024 - Step 5: Solve for x
x = 446,795,254,480,041,024/677,414,106.41 - Step 6: Final answer
x = 659,560,009.54
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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.