Finding the Fourth Proportional to 1,068,471,151.80, 1,602,706,727.70 and 887,072,623.80
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Solution
The fourth proportional to 1,068,471,151.80, 1,602,706,727.70 and 887,072,623.80 is: 1,330,608,935.70
Step by Step Solution
- Step 1: Write the proportion equation
1,068,471,151.80 : 1,602,706,727.70 = 887,072,623.80 : x - Step 2: Convert to fraction form
1,068,471,151.80/1,602,706,727.70 = 887,072,623.80/x - Step 3: Cross multiply
1,068,471,151.80x = 1,602,706,727.70 × 887,072,623.80 - Step 4: Simplify right side
1,068,471,151.80x = 1,421,717,262,122,751,232 - Step 5: Solve for x
x = 1,421,717,262,122,751,232/1,068,471,151.80 - Step 6: Final answer
x = 1,330,608,935.70
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1.5x scale
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.