Finding the Fourth Proportional to 750,420,688.04, 1,035,580,647.60 and 415,914,806.72
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Solution
The fourth proportional to 750,420,688.04, 1,035,580,647.60 and 415,914,806.72 is: 573,962,487.65
Step by Step Solution
- Step 1: Write the proportion equation
750,420,688.04 : 1,035,580,647.60 = 415,914,806.72 : x - Step 2: Convert to fraction form
750,420,688.04/1,035,580,647.60 = 415,914,806.72/x - Step 3: Cross multiply
750,420,688.04x = 1,035,580,647.60 × 415,914,806.72 - Step 4: Simplify right side
750,420,688.04x = 430,713,324,889,526,464 - Step 5: Solve for x
x = 430,713,324,889,526,464/750,420,688.04 - Step 6: Final answer
x = 573,962,487.65
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1.5x scale
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.