Finding the Fourth Proportional to 658,583,733.52, 908,846,851.36 and 361,228,396.08
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Solution
The fourth proportional to 658,583,733.52, 908,846,851.36 and 361,228,396.08 is: 498,495,899.14
Step by Step Solution
- Step 1: Write the proportion equation
658,583,733.52 : 908,846,851.36 = 361,228,396.08 : x - Step 2: Convert to fraction form
658,583,733.52/908,846,851.36 = 361,228,396.08/x - Step 3: Cross multiply
658,583,733.52x = 908,846,851.36 × 361,228,396.08 - Step 4: Simplify right side
658,583,733.52x = 328,301,290,399,130,944 - Step 5: Solve for x
x = 328,301,290,399,130,944/658,583,733.52 - Step 6: Final answer
x = 498,495,899.14
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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.