Finding the Fourth Proportional to 1,129,113,657.92, 1,693,088,952.62 and 506,795,391.94
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Solution
The fourth proportional to 1,129,113,657.92, 1,693,088,952.62 and 506,795,391.94 is: 759,932,070.00
Step by Step Solution
- Step 1: Write the proportion equation
1,129,113,657.92 : 1,693,088,952.62 = 506,795,391.94 : x - Step 2: Convert to fraction form
1,129,113,657.92/1,693,088,952.62 = 506,795,391.94/x - Step 3: Cross multiply
1,129,113,657.92x = 1,693,088,952.62 × 506,795,391.94 - Step 4: Simplify right side
1,129,113,657.92x = 858,049,679,332,336,896 - Step 5: Solve for x
x = 858,049,679,332,336,896/1,129,113,657.92 - Step 6: Final answer
x = 759,932,070.00
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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.