Finding the Fourth Proportional to 346,403,675.52, 478,037,032.56 and 207,174,414.96
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Solution
The fourth proportional to 346,403,675.52, 478,037,032.56 and 207,174,414.96 is: 285,900,668.93
Step by Step Solution
- Step 1: Write the proportion equation
346,403,675.52 : 478,037,032.56 = 207,174,414.96 : x - Step 2: Convert to fraction form
346,403,675.52/478,037,032.56 = 207,174,414.96/x - Step 3: Cross multiply
346,403,675.52x = 478,037,032.56 × 207,174,414.96 - Step 4: Simplify right side
346,403,675.52x = 99,037,042,549,832,480 - Step 5: Solve for x
x = 99,037,042,549,832,480/346,403,675.52 - Step 6: Final answer
x = 285,900,668.93
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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.