Finding the Fourth Proportional to 7,914,899,432.40, 11,884,064,470.20 and 4,428,268,558.80
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Solution
The fourth proportional to 7,914,899,432.40, 11,884,064,470.20 and 4,428,268,558.80 is: 6,648,957,386.46
Step by Step Solution
- Step 1: Write the proportion equation
7,914,899,432.40 : 11,884,064,470.20 = 4,428,268,558.80 : x - Step 2: Convert to fraction form
7,914,899,432.40/11,884,064,470.20 = 4,428,268,558.80/x - Step 3: Cross multiply
7,914,899,432.40x = 11,884,064,470.20 × 4,428,268,558.80 - Step 4: Simplify right side
7,914,899,432.40x = 52,625,829,044,138,844,160 - Step 5: Solve for x
x = 52,625,829,044,138,844,160/7,914,899,432.40 - Step 6: Final answer
x = 6,648,957,386.46
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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.