Finding the Fourth Proportional to 1,137,387,371.10, 1,706,081,056.65 and 930,763,110.30
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Solution
The fourth proportional to 1,137,387,371.10, 1,706,081,056.65 and 930,763,110.30 is: 1,396,144,665.45
Step by Step Solution
- Step 1: Write the proportion equation
1,137,387,371.10 : 1,706,081,056.65 = 930,763,110.30 : x - Step 2: Convert to fraction form
1,137,387,371.10/1,706,081,056.65 = 930,763,110.30/x - Step 3: Cross multiply
1,137,387,371.10x = 1,706,081,056.65 × 930,763,110.30 - Step 4: Simplify right side
1,137,387,371.10x = 1,587,957,310,711,464,448 - Step 5: Solve for x
x = 1,587,957,310,711,464,448/1,137,387,371.10 - Step 6: Final answer
x = 1,396,144,665.45
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Similar ratio
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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.