Finding the Fourth Proportional to 1,006,972,250.78, 1,389,437,234.68 and 560,924,513.79
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Solution
The fourth proportional to 1,006,972,250.78, 1,389,437,234.68 and 560,924,513.79 is: 773,973,070.96
Step by Step Solution
- Step 1: Write the proportion equation
1,006,972,250.78 : 1,389,437,234.68 = 560,924,513.79 : x - Step 2: Convert to fraction form
1,006,972,250.78/1,389,437,234.68 = 560,924,513.79/x - Step 3: Cross multiply
1,006,972,250.78x = 1,389,437,234.68 × 560,924,513.79 - Step 4: Simplify right side
1,006,972,250.78x = 779,369,405,304,601,088 - Step 5: Solve for x
x = 779,369,405,304,601,088/1,006,972,250.78 - Step 6: Final answer
x = 773,973,070.96
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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.