Finding the Fourth Proportional to 6,371,141,470.75, 8,791,726,268.25 and 3,551,624,679.07
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Solution
The fourth proportional to 6,371,141,470.75, 8,791,726,268.25 and 3,551,624,679.07 is: 4,900,991,781.35
Step by Step Solution
- Step 1: Write the proportion equation
6,371,141,470.75 : 8,791,726,268.25 = 3,551,624,679.07 : x - Step 2: Convert to fraction form
6,371,141,470.75/8,791,726,268.25 = 3,551,624,679.07/x - Step 3: Cross multiply
6,371,141,470.75x = 8,791,726,268.25 × 3,551,624,679.07 - Step 4: Simplify right side
6,371,141,470.75x = 31,224,911,985,944,694,784 - Step 5: Solve for x
x = 31,224,911,985,944,694,784/6,371,141,470.75 - Step 6: Final answer
x = 4,900,991,781.35
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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.