Finding the Fourth Proportional to 785,019,714.08, 1,083,334,369.84 and 432,608,349.36
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Solution
The fourth proportional to 785,019,714.08, 1,083,334,369.84 and 432,608,349.36 is: 597,003,470.28
Step by Step Solution
- Step 1: Write the proportion equation
785,019,714.08 : 1,083,334,369.84 = 432,608,349.36 : x - Step 2: Convert to fraction form
785,019,714.08/1,083,334,369.84 = 432,608,349.36/x - Step 3: Cross multiply
785,019,714.08x = 1,083,334,369.84 × 432,608,349.36 - Step 4: Simplify right side
785,019,714.08x = 468,659,493,541,438,144 - Step 5: Solve for x
x = 468,659,493,541,438,144/785,019,714.08 - Step 6: Final answer
x = 597,003,470.28
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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.