Finding the Fourth Proportional to 1,330,194,811.84, 1,835,265,669.60 and 928,297,870.08
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Solution
The fourth proportional to 1,330,194,811.84, 1,835,265,669.60 and 928,297,870.08 is: 1,280,769,701.52
Step by Step Solution
- Step 1: Write the proportion equation
1,330,194,811.84 : 1,835,265,669.60 = 928,297,870.08 : x - Step 2: Convert to fraction form
1,330,194,811.84/1,835,265,669.60 = 928,297,870.08/x - Step 3: Cross multiply
1,330,194,811.84x = 1,835,265,669.60 × 928,297,870.08 - Step 4: Simplify right side
1,330,194,811.84x = 1,703,673,212,120,624,896 - Step 5: Solve for x
x = 1,703,673,212,120,624,896/1,330,194,811.84 - Step 6: Final answer
x = 1,280,769,701.52
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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.