Finding the Fourth Proportional to 3,073,578,014.18, 4,241,539,028.97 and 1,663,881,931.44
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Solution
The fourth proportional to 3,073,578,014.18, 4,241,539,028.97 and 1,663,881,931.44 is: 2,296,157,806.71
Step by Step Solution
- Step 1: Write the proportion equation
3,073,578,014.18 : 4,241,539,028.97 = 1,663,881,931.44 : x - Step 2: Convert to fraction form
3,073,578,014.18/4,241,539,028.97 = 1,663,881,931.44/x - Step 3: Cross multiply
3,073,578,014.18x = 4,241,539,028.97 × 1,663,881,931.44 - Step 4: Simplify right side
3,073,578,014.18x = 7,057,420,151,800,745,984 - Step 5: Solve for x
x = 7,057,420,151,800,745,984/3,073,578,014.18 - Step 6: Final answer
x = 2,296,157,806.71
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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.