Finding the Fourth Proportional to 1,726,515,201.60, 2,589,772,802.40 and 636,423,422.40
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Solution
The fourth proportional to 1,726,515,201.60, 2,589,772,802.40 and 636,423,422.40 is: 954,635,133.60
Step by Step Solution
- Step 1: Write the proportion equation
1,726,515,201.60 : 2,589,772,802.40 = 636,423,422.40 : x - Step 2: Convert to fraction form
1,726,515,201.60/2,589,772,802.40 = 636,423,422.40/x - Step 3: Cross multiply
1,726,515,201.60x = 2,589,772,802.40 × 636,423,422.40 - Step 4: Simplify right side
1,726,515,201.60x = 1,648,192,070,141,847,040 - Step 5: Solve for x
x = 1,648,192,070,141,847,040/1,726,515,201.60 - Step 6: Final answer
x = 954,635,133.60
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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.