Finding the Fourth Proportional to 90,260,354,919.79, 135,391,109,323.66 and 26,517,440,078.66
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Solution
The fourth proportional to 90,260,354,919.79, 135,391,109,323.66 and 26,517,440,078.66 is: 39,776,329,617.40
Step by Step Solution
- Step 1: Write the proportion equation
90,260,354,919.79 : 135,391,109,323.66 = 26,517,440,078.66 : x - Step 2: Convert to fraction form
90,260,354,919.79/135,391,109,323.66 = 26,517,440,078.66/x - Step 3: Cross multiply
90,260,354,919.79x = 135,391,109,323.66 × 26,517,440,078.66 - Step 4: Simplify right side
90,260,354,919.79x = 3,590,225,628,673,459,355,648 - Step 5: Solve for x
x = 3,590,225,628,673,459,355,648/90,260,354,919.79 - Step 6: Final answer
x = 39,776,329,617.40
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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.