Finding the Fourth Proportional to 7,031,534,649.84, 9,703,528,447.08 and 3,816,445,794.20
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Solution
The fourth proportional to 7,031,534,649.84, 9,703,528,447.08 and 3,816,445,794.20 is: 5,266,700,965.71
Step by Step Solution
- Step 1: Write the proportion equation
7,031,534,649.84 : 9,703,528,447.08 = 3,816,445,794.20 : x - Step 2: Convert to fraction form
7,031,534,649.84/9,703,528,447.08 = 3,816,445,794.20/x - Step 3: Cross multiply
7,031,534,649.84x = 9,703,528,447.08 × 3,816,445,794.20 - Step 4: Simplify right side
7,031,534,649.84x = 37,032,990,330,758,520,832 - Step 5: Solve for x
x = 37,032,990,330,758,520,832/7,031,534,649.84 - Step 6: Final answer
x = 5,266,700,965.71
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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.