Finding the Fourth Proportional to 554,287,974.35, 831,326,001.35 and 166,110,804.70
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Solution
The fourth proportional to 554,287,974.35, 831,326,001.35 and 166,110,804.70 is: 249,134,452.56
Step by Step Solution
- Step 1: Write the proportion equation
554,287,974.35 : 831,326,001.35 = 166,110,804.70 : x - Step 2: Convert to fraction form
554,287,974.35/831,326,001.35 = 166,110,804.70/x - Step 3: Cross multiply
554,287,974.35x = 831,326,001.35 × 166,110,804.70 - Step 4: Simplify right side
554,287,974.35x = 138,092,231,052,281,776 - Step 5: Solve for x
x = 138,092,231,052,281,776/554,287,974.35 - Step 6: Final answer
x = 249,134,452.56
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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.