Finding the Fourth Proportional to 1,224,160,924.90, 1,836,241,387.35 and 1,212,681,799.30
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Solution
The fourth proportional to 1,224,160,924.90, 1,836,241,387.35 and 1,212,681,799.30 is: 1,819,022,698.95
Step by Step Solution
- Step 1: Write the proportion equation
1,224,160,924.90 : 1,836,241,387.35 = 1,212,681,799.30 : x - Step 2: Convert to fraction form
1,224,160,924.90/1,836,241,387.35 = 1,212,681,799.30/x - Step 3: Cross multiply
1,224,160,924.90x = 1,836,241,387.35 × 1,212,681,799.30 - Step 4: Simplify right side
1,224,160,924.90x = 2,226,776,509,560,726,016 - Step 5: Solve for x
x = 2,226,776,509,560,726,016/1,224,160,924.90 - Step 6: Final answer
x = 1,819,022,698.95
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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.