Finding the Fourth Proportional to 7,031,534,651.84, 9,703,528,449.84 and 3,816,445,796.20
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Solution
The fourth proportional to 7,031,534,651.84, 9,703,528,449.84 and 3,816,445,796.20 is: 5,266,700,968.47
Step by Step Solution
- Step 1: Write the proportion equation
7,031,534,651.84 : 9,703,528,449.84 = 3,816,445,796.20 : x - Step 2: Convert to fraction form
7,031,534,651.84/9,703,528,449.84 = 3,816,445,796.20/x - Step 3: Cross multiply
7,031,534,651.84x = 9,703,528,449.84 × 3,816,445,796.20 - Step 4: Simplify right side
7,031,534,651.84x = 37,032,990,360,698,970,112 - Step 5: Solve for x
x = 37,032,990,360,698,970,112/7,031,534,651.84 - Step 6: Final answer
x = 5,266,700,968.47
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1.5x scale
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.