Finding the Fourth Proportional to 364,879,646.79, 503,533,753.05 and 197,615,916.46
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Solution
The fourth proportional to 364,879,646.79, 503,533,753.05 and 197,615,916.46 is: 272,709,878.32
Step by Step Solution
- Step 1: Write the proportion equation
364,879,646.79 : 503,533,753.05 = 197,615,916.46 : x - Step 2: Convert to fraction form
364,879,646.79/503,533,753.05 = 197,615,916.46/x - Step 3: Cross multiply
364,879,646.79x = 503,533,753.05 × 197,615,916.46 - Step 4: Simplify right side
364,879,646.79x = 99,506,284,077,519,072 - Step 5: Solve for x
x = 99,506,284,077,519,072/364,879,646.79 - Step 6: Final answer
x = 272,709,878.32
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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.