Finding the Fourth Proportional to 2,740,368,949.74, 3,781,712,799.63 and 1,487,305,805.58
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Solution
The fourth proportional to 2,740,368,949.74, 3,781,712,799.63 and 1,487,305,805.58 is: 2,052,483,992.15
Step by Step Solution
- Step 1: Write the proportion equation
2,740,368,949.74 : 3,781,712,799.63 = 1,487,305,805.58 : x - Step 2: Convert to fraction form
2,740,368,949.74/3,781,712,799.63 = 1,487,305,805.58/x - Step 3: Cross multiply
2,740,368,949.74x = 3,781,712,799.63 × 1,487,305,805.58 - Step 4: Simplify right side
2,740,368,949.74x = 5,624,563,401,925,894,144 - Step 5: Solve for x
x = 5,624,563,401,925,894,144/2,740,368,949.74 - Step 6: Final answer
x = 2,052,483,992.15
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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.