Finding the Fourth Proportional to 654,740,864.06, 903,407,512.58 and 376,228,579.18
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Solution
The fourth proportional to 654,740,864.06, 903,407,512.58 and 376,228,579.18 is: 519,117,934.34
Step by Step Solution
- Step 1: Write the proportion equation
654,740,864.06 : 903,407,512.58 = 376,228,579.18 : x - Step 2: Convert to fraction form
654,740,864.06/903,407,512.58 = 376,228,579.18/x - Step 3: Cross multiply
654,740,864.06x = 903,407,512.58 × 376,228,579.18 - Step 4: Simplify right side
654,740,864.06x = 339,887,724,878,511,424 - Step 5: Solve for x
x = 339,887,724,878,511,424/654,740,864.06 - Step 6: Final answer
x = 519,117,934.34
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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.