Finding the Fourth Proportional to 787,007,362.90, 1,180,511,044.35 and 241,776,015.70
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Solution
The fourth proportional to 787,007,362.90, 1,180,511,044.35 and 241,776,015.70 is: 362,664,023.55
Step by Step Solution
- Step 1: Write the proportion equation
787,007,362.90 : 1,180,511,044.35 = 241,776,015.70 : x - Step 2: Convert to fraction form
787,007,362.90/1,180,511,044.35 = 241,776,015.70/x - Step 3: Cross multiply
787,007,362.90x = 1,180,511,044.35 × 241,776,015.70 - Step 4: Simplify right side
787,007,362.90x = 285,419,256,792,788,960 - Step 5: Solve for x
x = 285,419,256,792,788,960/787,007,362.90 - Step 6: Final answer
x = 362,664,023.55
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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.