Finding the Fourth Proportional to 1,335,395,929.14, 1,843,067,055.51 and 740,871,956.70
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Solution
The fourth proportional to 1,335,395,929.14, 1,843,067,055.51 and 740,871,956.70 is: 1,022,525,728.85
Step by Step Solution
- Step 1: Write the proportion equation
1,335,395,929.14 : 1,843,067,055.51 = 740,871,956.70 : x - Step 2: Convert to fraction form
1,335,395,929.14/1,843,067,055.51 = 740,871,956.70/x - Step 3: Cross multiply
1,335,395,929.14x = 1,843,067,055.51 × 740,871,956.70 - Step 4: Simplify right side
1,335,395,929.14x = 1,365,476,695,745,001,216 - Step 5: Solve for x
x = 1,365,476,695,745,001,216/1,335,395,929.14 - Step 6: Final answer
x = 1,022,525,728.85
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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.