Finding the Fourth Proportional to 463,994,648.16, 695,843,107.68 and 153,032,349.60
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Solution
The fourth proportional to 463,994,648.16, 695,843,107.68 and 153,032,349.60 is: 229,499,426.65
Step by Step Solution
- Step 1: Write the proportion equation
463,994,648.16 : 695,843,107.68 = 153,032,349.60 : x - Step 2: Convert to fraction form
463,994,648.16/695,843,107.68 = 153,032,349.60/x - Step 3: Cross multiply
463,994,648.16x = 695,843,107.68 × 153,032,349.60 - Step 4: Simplify right side
463,994,648.16x = 106,486,505,721,236,192 - Step 5: Solve for x
x = 106,486,505,721,236,192/463,994,648.16 - Step 6: Final answer
x = 229,499,426.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.