Finding the Fourth Proportional to 874,184,327.67, 1,206,497,419.80 and 556,543,108.13
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Solution
The fourth proportional to 874,184,327.67, 1,206,497,419.80 and 556,543,108.13 is: 768,107,826.59
Step by Step Solution
- Step 1: Write the proportion equation
874,184,327.67 : 1,206,497,419.80 = 556,543,108.13 : x - Step 2: Convert to fraction form
874,184,327.67/1,206,497,419.80 = 556,543,108.13/x - Step 3: Cross multiply
874,184,327.67x = 1,206,497,419.80 × 556,543,108.13 - Step 4: Simplify right side
874,184,327.67x = 671,467,823,957,502,208 - Step 5: Solve for x
x = 671,467,823,957,502,208/874,184,327.67 - Step 6: Final answer
x = 768,107,826.59
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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.