Finding the Fourth Proportional to 7,528,121,570.30, 11,292,182,355.45 and 4,424,191,202.30
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Solution
The fourth proportional to 7,528,121,570.30, 11,292,182,355.45 and 4,424,191,202.30 is: 6,636,286,803.45
Step by Step Solution
- Step 1: Write the proportion equation
7,528,121,570.30 : 11,292,182,355.45 = 4,424,191,202.30 : x - Step 2: Convert to fraction form
7,528,121,570.30/11,292,182,355.45 = 4,424,191,202.30/x - Step 3: Cross multiply
7,528,121,570.30x = 11,292,182,355.45 × 4,424,191,202.30 - Step 4: Simplify right side
7,528,121,570.30x = 49,958,773,831,749,189,632 - Step 5: Solve for x
x = 49,958,773,831,749,189,632/7,528,121,570.30 - Step 6: Final answer
x = 6,636,286,803.45
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Double scale
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Similar ratio
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1.5x scale
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.