Finding the Fourth Proportional to 1,124,941,805.36, 1,552,432,108.32 and 623,158,274.96
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Solution
The fourth proportional to 1,124,941,805.36, 1,552,432,108.32 and 623,158,274.96 is: 859,965,297.76
Step by Step Solution
- Step 1: Write the proportion equation
1,124,941,805.36 : 1,552,432,108.32 = 623,158,274.96 : x - Step 2: Convert to fraction form
1,124,941,805.36/1,552,432,108.32 = 623,158,274.96/x - Step 3: Cross multiply
1,124,941,805.36x = 1,552,432,108.32 × 623,158,274.96 - Step 4: Simplify right side
1,124,941,805.36x = 967,410,914,613,207,040 - Step 5: Solve for x
x = 967,410,914,613,207,040/1,124,941,805.36 - Step 6: Final answer
x = 859,965,297.76
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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.