Finding the Fourth Proportional to 1,724,809,656.57, 2,587,214,189.40 and 545,218,192.99
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Solution
The fourth proportional to 1,724,809,656.57, 2,587,214,189.40 and 545,218,192.99 is: 817,827,196.09
Step by Step Solution
- Step 1: Write the proportion equation
1,724,809,656.57 : 2,587,214,189.40 = 545,218,192.99 : x - Step 2: Convert to fraction form
1,724,809,656.57/2,587,214,189.40 = 545,218,192.99/x - Step 3: Cross multiply
1,724,809,656.57x = 2,587,214,189.40 × 545,218,192.99 - Step 4: Simplify right side
1,724,809,656.57x = 1,410,596,245,222,755,584 - Step 5: Solve for x
x = 1,410,596,245,222,755,584/1,724,809,656.57 - Step 6: Final answer
x = 817,827,196.09
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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.