Finding the Fourth Proportional to 998,389,927.42, 1,377,767,884.49 and 552,356,482.90
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Solution
The fourth proportional to 998,389,927.42, 1,377,767,884.49 and 552,356,482.90 is: 762,246,294.79
Step by Step Solution
- Step 1: Write the proportion equation
998,389,927.42 : 1,377,767,884.49 = 552,356,482.90 : x - Step 2: Convert to fraction form
998,389,927.42/1,377,767,884.49 = 552,356,482.90/x - Step 3: Cross multiply
998,389,927.42x = 1,377,767,884.49 × 552,356,482.90 - Step 4: Simplify right side
998,389,927.42x = 761,019,022,932,187,776 - Step 5: Solve for x
x = 761,019,022,932,187,776/998,389,927.42 - Step 6: Final answer
x = 762,246,294.79
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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.