Finding the Fourth Proportional to 822,317,803.04, 1,135,052,638.80 and 528,962,396.96
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Solution
The fourth proportional to 822,317,803.04, 1,135,052,638.80 and 528,962,396.96 is: 730,131,540.72
Step by Step Solution
- Step 1: Write the proportion equation
822,317,803.04 : 1,135,052,638.80 = 528,962,396.96 : x - Step 2: Convert to fraction form
822,317,803.04/1,135,052,638.80 = 528,962,396.96/x - Step 3: Cross multiply
822,317,803.04x = 1,135,052,638.80 × 528,962,396.96 - Step 4: Simplify right side
822,317,803.04x = 600,400,164,495,421,056 - Step 5: Solve for x
x = 600,400,164,495,421,056/822,317,803.04 - Step 6: Final answer
x = 730,131,540.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.