Finding the Fourth Proportional to 2,740,368,927.15, 3,781,712,768.49 and 1,487,305,782.99
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Solution
The fourth proportional to 2,740,368,927.15, 3,781,712,768.49 and 1,487,305,782.99 is: 2,052,483,960.99
Step by Step Solution
- Step 1: Write the proportion equation
2,740,368,927.15 : 3,781,712,768.49 = 1,487,305,782.99 : x - Step 2: Convert to fraction form
2,740,368,927.15/3,781,712,768.49 = 1,487,305,782.99/x - Step 3: Cross multiply
2,740,368,927.15x = 3,781,712,768.49 × 1,487,305,782.99 - Step 4: Simplify right side
2,740,368,927.15x = 5,624,563,270,182,299,648 - Step 5: Solve for x
x = 5,624,563,270,182,299,648/2,740,368,927.15 - Step 6: Final answer
x = 2,052,483,960.99
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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.