Finding the Fourth Proportional to 902,804,928.10, 1,354,207,392.16 and 808,102,141.90
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Solution
The fourth proportional to 902,804,928.10, 1,354,207,392.16 and 808,102,141.90 is: 1,212,153,212.86
Step by Step Solution
- Step 1: Write the proportion equation
902,804,928.10 : 1,354,207,392.16 = 808,102,141.90 : x - Step 2: Convert to fraction form
902,804,928.10/1,354,207,392.16 = 808,102,141.90/x - Step 3: Cross multiply
902,804,928.10x = 1,354,207,392.16 × 808,102,141.90 - Step 4: Simplify right side
902,804,928.10x = 1,094,337,894,181,309,312 - Step 5: Solve for x
x = 1,094,337,894,181,309,312/902,804,928.10 - Step 6: Final answer
x = 1,212,153,212.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.