Finding the Fourth Proportional to 7,108,619,820.99, 9,805,171,837.11 and 4,571,509,433.83
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Solution
The fourth proportional to 7,108,619,820.99, 9,805,171,837.11 and 4,571,509,433.83 is: 6,305,645,354.85
Step by Step Solution
- Step 1: Write the proportion equation
7,108,619,820.99 : 9,805,171,837.11 = 4,571,509,433.83 : x - Step 2: Convert to fraction form
7,108,619,820.99/9,805,171,837.11 = 4,571,509,433.83/x - Step 3: Cross multiply
7,108,619,820.99x = 9,805,171,837.11 × 4,571,509,433.83 - Step 4: Simplify right side
7,108,619,820.99x = 44,824,435,553,623,572,480 - Step 5: Solve for x
x = 44,824,435,553,623,572,480/7,108,619,820.99 - Step 6: Final answer
x = 6,305,645,354.85
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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.