Finding the Fourth Proportional to 744,331,404.20, 1,116,497,106.30 and 732,852,278.60
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Solution
The fourth proportional to 744,331,404.20, 1,116,497,106.30 and 732,852,278.60 is: 1,099,278,417.90
Step by Step Solution
- Step 1: Write the proportion equation
744,331,404.20 : 1,116,497,106.30 = 732,852,278.60 : x - Step 2: Convert to fraction form
744,331,404.20/1,116,497,106.30 = 732,852,278.60/x - Step 3: Cross multiply
744,331,404.20x = 1,116,497,106.30 × 732,852,278.60 - Step 4: Simplify right side
744,331,404.20x = 818,227,448,402,261,376 - Step 5: Solve for x
x = 818,227,448,402,261,376/744,331,404.20 - Step 6: Final answer
x = 1,099,278,417.90
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Similar ratio
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1.5x scale
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.