Finding the Fourth Proportional to 495,968,959.52, 684,531,921.12 and 328,409,679.68
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Solution
The fourth proportional to 495,968,959.52, 684,531,921.12 and 328,409,679.68 is: 453,268,102.03
Step by Step Solution
- Step 1: Write the proportion equation
495,968,959.52 : 684,531,921.12 = 328,409,679.68 : x - Step 2: Convert to fraction form
495,968,959.52/684,531,921.12 = 328,409,679.68/x - Step 3: Cross multiply
495,968,959.52x = 684,531,921.12 × 328,409,679.68 - Step 4: Simplify right side
495,968,959.52x = 224,806,908,945,754,240 - Step 5: Solve for x
x = 224,806,908,945,754,240/495,968,959.52 - Step 6: Final answer
x = 453,268,102.03
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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.