Finding the Fourth Proportional to 783,999,593.19, 1,176,176,559.06 and 259,367,464.53
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Solution
The fourth proportional to 783,999,593.19, 1,176,176,559.06 and 259,367,464.53 is: 389,109,809.00
Step by Step Solution
- Step 1: Write the proportion equation
783,999,593.19 : 1,176,176,559.06 = 259,367,464.53 : x - Step 2: Convert to fraction form
783,999,593.19/1,176,176,559.06 = 259,367,464.53/x - Step 3: Cross multiply
783,999,593.19x = 1,176,176,559.06 × 259,367,464.53 - Step 4: Simplify right side
783,999,593.19x = 305,061,931,963,011,968 - Step 5: Solve for x
x = 305,061,931,963,011,968/783,999,593.19 - Step 6: Final answer
x = 389,109,809.00
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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.