Finding the Fourth Proportional to 7,127,934,845.73, 9,837,047,264.36 and 4,712,420,592.10
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Solution
The fourth proportional to 7,127,934,845.73, 9,837,047,264.36 and 4,712,420,592.10 is: 6,503,469,110.95
Step by Step Solution
- Step 1: Write the proportion equation
7,127,934,845.73 : 9,837,047,264.36 = 4,712,420,592.10 : x - Step 2: Convert to fraction form
7,127,934,845.73/9,837,047,264.36 = 4,712,420,592.10/x - Step 3: Cross multiply
7,127,934,845.73x = 9,837,047,264.36 × 4,712,420,592.10 - Step 4: Simplify right side
7,127,934,845.73x = 46,356,304,094,021,246,976 - Step 5: Solve for x
x = 46,356,304,094,021,246,976/7,127,934,845.73 - Step 6: Final answer
x = 6,503,469,110.95
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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.