Finding the Fourth Proportional to 750,427,732.58, 1,035,590,367.67 and 415,921,850.12
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Solution
The fourth proportional to 750,427,732.58, 1,035,590,367.67 and 415,921,850.12 is: 573,972,206.77
Step by Step Solution
- Step 1: Write the proportion equation
750,427,732.58 : 1,035,590,367.67 = 415,921,850.12 : x - Step 2: Convert to fraction form
750,427,732.58/1,035,590,367.67 = 415,921,850.12/x - Step 3: Cross multiply
750,427,732.58x = 1,035,590,367.67 × 415,921,850.12 - Step 4: Simplify right side
750,427,732.58x = 430,724,661,689,306,624 - Step 5: Solve for x
x = 430,724,661,689,306,624/750,427,732.58 - Step 6: Final answer
x = 573,972,206.77
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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.