Finding the Fourth Proportional to 3,136,191,159.56, 4,704,416,565.42 and 925,400,831.08
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Solution
The fourth proportional to 3,136,191,159.56, 4,704,416,565.42 and 925,400,831.08 is: 1,388,139,554.60
Step by Step Solution
- Step 1: Write the proportion equation
3,136,191,159.56 : 4,704,416,565.42 = 925,400,831.08 : x - Step 2: Convert to fraction form
3,136,191,159.56/4,704,416,565.42 = 925,400,831.08/x - Step 3: Cross multiply
3,136,191,159.56x = 4,704,416,565.42 × 925,400,831.08 - Step 4: Simplify right side
3,136,191,159.56x = 4,353,470,999,386,187,264 - Step 5: Solve for x
x = 4,353,470,999,386,187,264/3,136,191,159.56 - Step 6: Final answer
x = 1,388,139,554.60
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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.