Finding the Fourth Proportional to 1,214,207,457.36, 1,821,038,595.96 and 558,528,761.04
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Solution
The fourth proportional to 1,214,207,457.36, 1,821,038,595.96 and 558,528,761.04 is: 837,667,751.62
Step by Step Solution
- Step 1: Write the proportion equation
1,214,207,457.36 : 1,821,038,595.96 = 558,528,761.04 : x - Step 2: Convert to fraction form
1,214,207,457.36/1,821,038,595.96 = 558,528,761.04/x - Step 3: Cross multiply
1,214,207,457.36x = 1,821,038,595.96 × 558,528,761.04 - Step 4: Simplify right side
1,214,207,457.36x = 1,017,102,430,807,559,936 - Step 5: Solve for x
x = 1,017,102,430,807,559,936/1,214,207,457.36 - Step 6: Final answer
x = 837,667,751.62
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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.