Finding the Fourth Proportional to 1,477,429,197.05, 2,038,837,175.38 and 817,384,198.97
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Solution
The fourth proportional to 1,477,429,197.05, 2,038,837,175.38 and 817,384,198.97 is: 1,127,981,831.38
Step by Step Solution
- Step 1: Write the proportion equation
1,477,429,197.05 : 2,038,837,175.38 = 817,384,198.97 : x - Step 2: Convert to fraction form
1,477,429,197.05/2,038,837,175.38 = 817,384,198.97/x - Step 3: Cross multiply
1,477,429,197.05x = 2,038,837,175.38 × 817,384,198.97 - Step 4: Simplify right side
1,477,429,197.05x = 1,666,513,291,428,238,848 - Step 5: Solve for x
x = 1,666,513,291,428,238,848/1,477,429,197.05 - Step 6: Final answer
x = 1,127,981,831.38
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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.