Finding the Fourth Proportional to 855,541,831.85, 1,281,102,589.99 and 590,465,486.01
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Solution
The fourth proportional to 855,541,831.85, 1,281,102,589.99 and 590,465,486.01 is: 884,172,854.29
Step by Step Solution
- Step 1: Write the proportion equation
855,541,831.85 : 1,281,102,589.99 = 590,465,486.01 : x - Step 2: Convert to fraction form
855,541,831.85/1,281,102,589.99 = 590,465,486.01/x - Step 3: Cross multiply
855,541,831.85x = 1,281,102,589.99 × 590,465,486.01 - Step 4: Simplify right side
855,541,831.85x = 756,446,863,427,115,136 - Step 5: Solve for x
x = 756,446,863,427,115,136/855,541,831.85 - Step 6: Final answer
x = 884,172,854.29
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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.