Finding the Fourth Proportional to 546,356,948.41, 754,218,814.54 and 348,384,547.09
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Solution
The fourth proportional to 546,356,948.41, 754,218,814.54 and 348,384,547.09 is: 480,927,680.84
Step by Step Solution
- Step 1: Write the proportion equation
546,356,948.41 : 754,218,814.54 = 348,384,547.09 : x - Step 2: Convert to fraction form
546,356,948.41/754,218,814.54 = 348,384,547.09/x - Step 3: Cross multiply
546,356,948.41x = 754,218,814.54 × 348,384,547.09 - Step 4: Simplify right side
546,356,948.41x = 262,758,180,111,001,376 - Step 5: Solve for x
x = 262,758,180,111,001,376/546,356,948.41 - Step 6: Final answer
x = 480,927,680.84
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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.