Finding the Fourth Proportional to 965,381,851.80, 1,448,828,604.90 and 447,876,415.80
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Solution
The fourth proportional to 965,381,851.80, 1,448,828,604.90 and 447,876,415.80 is: 672,165,279.95
Step by Step Solution
- Step 1: Write the proportion equation
965,381,851.80 : 1,448,828,604.90 = 447,876,415.80 : x - Step 2: Convert to fraction form
965,381,851.80/1,448,828,604.90 = 447,876,415.80/x - Step 3: Cross multiply
965,381,851.80x = 1,448,828,604.90 × 447,876,415.80 - Step 4: Simplify right side
965,381,851.80x = 648,896,162,671,126,400 - Step 5: Solve for x
x = 648,896,162,671,126,400/965,381,851.80 - Step 6: Final answer
x = 672,165,279.95
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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.