Finding the Fourth Proportional to 6,787,426,525.48, 10,181,151,598.14 and 2,129,657,939.24
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Solution
The fourth proportional to 6,787,426,525.48, 10,181,151,598.14 and 2,129,657,939.24 is: 3,194,490,614.40
Step by Step Solution
- Step 1: Write the proportion equation
6,787,426,525.48 : 10,181,151,598.14 = 2,129,657,939.24 : x - Step 2: Convert to fraction form
6,787,426,525.48/10,181,151,598.14 = 2,129,657,939.24/x - Step 3: Cross multiply
6,787,426,525.48x = 10,181,151,598.14 × 2,129,657,939.24 - Step 4: Simplify right side
6,787,426,525.48x = 21,682,370,331,584,864,256 - Step 5: Solve for x
x = 21,682,370,331,584,864,256/6,787,426,525.48 - Step 6: Final answer
x = 3,194,490,614.40
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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.