Finding the Fourth Proportional to 1,724,551,471.10, 2,586,827,206.65 and 497,759,944.70
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Solution
The fourth proportional to 1,724,551,471.10, 2,586,827,206.65 and 497,759,944.70 is: 746,639,917.05
Step by Step Solution
- Step 1: Write the proportion equation
1,724,551,471.10 : 2,586,827,206.65 = 497,759,944.70 : x - Step 2: Convert to fraction form
1,724,551,471.10/2,586,827,206.65 = 497,759,944.70/x - Step 3: Cross multiply
1,724,551,471.10x = 2,586,827,206.65 × 497,759,944.70 - Step 4: Simplify right side
1,724,551,471.10x = 1,287,618,967,330,559,488 - Step 5: Solve for x
x = 1,287,618,967,330,559,488/1,724,551,471.10 - Step 6: Final answer
x = 746,639,917.05
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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.