Finding the Fourth Proportional to 8,199,792,039.30, 12,299,688,058.95 and 3,778,202,919.30
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Solution
The fourth proportional to 8,199,792,039.30, 12,299,688,058.95 and 3,778,202,919.30 is: 5,667,304,378.95
Step by Step Solution
- Step 1: Write the proportion equation
8,199,792,039.30 : 12,299,688,058.95 = 3,778,202,919.30 : x - Step 2: Convert to fraction form
8,199,792,039.30/12,299,688,058.95 = 3,778,202,919.30/x - Step 3: Cross multiply
8,199,792,039.30x = 12,299,688,058.95 × 3,778,202,919.30 - Step 4: Simplify right side
8,199,792,039.30x = 46,470,717,330,804,244,480 - Step 5: Solve for x
x = 46,470,717,330,804,244,480/8,199,792,039.30 - Step 6: Final answer
x = 5,667,304,378.95
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Double scale
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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.