Finding the Fourth Proportional to 346,403,677.52, 478,037,035.32 and 207,174,416.96
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Solution
The fourth proportional to 346,403,677.52, 478,037,035.32 and 207,174,416.96 is: 285,900,671.69
Step by Step Solution
- Step 1: Write the proportion equation
346,403,677.52 : 478,037,035.32 = 207,174,416.96 : x - Step 2: Convert to fraction form
346,403,677.52/478,037,035.32 = 207,174,416.96/x - Step 3: Cross multiply
346,403,677.52x = 478,037,035.32 × 207,174,416.96 - Step 4: Simplify right side
346,403,677.52x = 99,037,044,077,707,936 - Step 5: Solve for x
x = 99,037,044,077,707,936/346,403,677.52 - Step 6: Final answer
x = 285,900,671.69
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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.