Finding the Fourth Proportional to 1,536,024,580.19, 2,119,717,605.32 and 831,184,124.97
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Solution
The fourth proportional to 1,536,024,580.19, 2,119,717,605.32 and 831,184,124.97 is: 1,147,036,086.33
Step by Step Solution
- Step 1: Write the proportion equation
1,536,024,580.19 : 2,119,717,605.32 = 831,184,124.97 : x - Step 2: Convert to fraction form
1,536,024,580.19/2,119,717,605.32 = 831,184,124.97/x - Step 3: Cross multiply
1,536,024,580.19x = 2,119,717,605.32 × 831,184,124.97 - Step 4: Simplify right side
1,536,024,580.19x = 1,761,875,622,968,276,480 - Step 5: Solve for x
x = 1,761,875,622,968,276,480/1,536,024,580.19 - Step 6: Final answer
x = 1,147,036,086.33
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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.