Finding the Fourth Proportional to 741,607,226.19, 1,023,419,093.21 and 402,515,823.29
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Solution
The fourth proportional to 741,607,226.19, 1,023,419,093.21 and 402,515,823.29 is: 555,472,444.61
Step by Step Solution
- Step 1: Write the proportion equation
741,607,226.19 : 1,023,419,093.21 = 402,515,823.29 : x - Step 2: Convert to fraction form
741,607,226.19/1,023,419,093.21 = 402,515,823.29/x - Step 3: Cross multiply
741,607,226.19x = 1,023,419,093.21 × 402,515,823.29 - Step 4: Simplify right side
741,607,226.19x = 411,942,378,874,128,448 - Step 5: Solve for x
x = 411,942,378,874,128,448/741,607,226.19 - Step 6: Final answer
x = 555,472,444.61
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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.