Finding the Fourth Proportional to 624,547,258.38, 861,880,317.75 and 346,093,430.94
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Solution
The fourth proportional to 624,547,258.38, 861,880,317.75 and 346,093,430.94 is: 477,611,761.52
Step by Step Solution
- Step 1: Write the proportion equation
624,547,258.38 : 861,880,317.75 = 346,093,430.94 : x - Step 2: Convert to fraction form
624,547,258.38/861,880,317.75 = 346,093,430.94/x - Step 3: Cross multiply
624,547,258.38x = 861,880,317.75 × 346,093,430.94 - Step 4: Simplify right side
624,547,258.38x = 298,291,116,229,754,880 - Step 5: Solve for x
x = 298,291,116,229,754,880/624,547,258.38 - Step 6: Final answer
x = 477,611,761.52
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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.