Finding the Fourth Proportional to 9,199,522,776.78, 12,705,813,534.42 and 6,183,539,341.92
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Solution
The fourth proportional to 9,199,522,776.78, 12,705,813,534.42 and 6,183,539,341.92 is: 8,540,323,206.71
Step by Step Solution
- Step 1: Write the proportion equation
9,199,522,776.78 : 12,705,813,534.42 = 6,183,539,341.92 : x - Step 2: Convert to fraction form
9,199,522,776.78/12,705,813,534.42 = 6,183,539,341.92/x - Step 3: Cross multiply
9,199,522,776.78x = 12,705,813,534.42 × 6,183,539,341.92 - Step 4: Simplify right side
9,199,522,776.78x = 78,566,897,861,185,683,456 - Step 5: Solve for x
x = 78,566,897,861,185,683,456/9,199,522,776.78 - Step 6: Final answer
x = 8,540,323,206.71
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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.