Finding the Fourth Proportional to 1,225,024,035,747.30, 1,691,296,107,825.20 and 779,816,917,232.20
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Solution
The fourth proportional to 1,225,024,035,747.30, 1,691,296,107,825.20 and 779,816,917,232.20 is: 1,076,633,011,634.34
Step by Step Solution
- Step 1: Write the proportion equation
1,225,024,035,747.30 : 1,691,296,107,825.20 = 779,816,917,232.20 : x - Step 2: Convert to fraction form
1,225,024,035,747.30/1,691,296,107,825.20 = 779,816,917,232.20/x - Step 3: Cross multiply
1,225,024,035,747.30x = 1,691,296,107,825.20 × 779,816,917,232.20 - Step 4: Simplify right side
1,225,024,035,747.30x = 1,318,901,316,931,065,900,695,552 - Step 5: Solve for x
x = 1,318,901,316,931,065,900,695,552/1,225,024,035,747.30 - Step 6: Final answer
x = 1,076,633,011,634.34
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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.