Finding the Fourth Proportional to 476,654,773.49, 714,968,943.41 and 126,903,842.09
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Solution
The fourth proportional to 476,654,773.49, 714,968,943.41 and 126,903,842.09 is: 190,352,244.30
Step by Step Solution
- Step 1: Write the proportion equation
476,654,773.49 : 714,968,943.41 = 126,903,842.09 : x - Step 2: Convert to fraction form
476,654,773.49/714,968,943.41 = 126,903,842.09/x - Step 3: Cross multiply
476,654,773.49x = 714,968,943.41 × 126,903,842.09 - Step 4: Simplify right side
476,654,773.49x = 90,732,305,889,547,408 - Step 5: Solve for x
x = 90,732,305,889,547,408/476,654,773.49 - Step 6: Final answer
x = 190,352,244.30
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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.