Finding the Fourth Proportional to 342,605,750,107.29, 513,925,695,130.05 and 130,386,330,320.19
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Solution
The fourth proportional to 342,605,750,107.29, 513,925,695,130.05 and 130,386,330,320.19 is: 195,585,991,841.28
Step by Step Solution
- Step 1: Write the proportion equation
342,605,750,107.29 : 513,925,695,130.05 = 130,386,330,320.19 : x - Step 2: Convert to fraction form
342,605,750,107.29/513,925,695,130.05 = 130,386,330,320.19/x - Step 3: Cross multiply
342,605,750,107.29x = 513,925,695,130.05 × 130,386,330,320.19 - Step 4: Simplify right side
342,605,750,107.29x = 67,008,885,445,259,960,516,608 - Step 5: Solve for x
x = 67,008,885,445,259,960,516,608/342,605,750,107.29 - Step 6: Final answer
x = 195,585,991,841.28
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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.