Finding the Fourth Proportional to 757,804,522.65, 1,136,706,783.98 and 512,916,509.85
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Solution
The fourth proportional to 757,804,522.65, 1,136,706,783.98 and 512,916,509.85 is: 769,374,764.78
Step by Step Solution
- Step 1: Write the proportion equation
757,804,522.65 : 1,136,706,783.98 = 512,916,509.85 : x - Step 2: Convert to fraction form
757,804,522.65/1,136,706,783.98 = 512,916,509.85/x - Step 3: Cross multiply
757,804,522.65x = 1,136,706,783.98 × 512,916,509.85 - Step 4: Simplify right side
757,804,522.65x = 583,035,676,361,839,488 - Step 5: Solve for x
x = 583,035,676,361,839,488/757,804,522.65 - Step 6: Final answer
x = 769,374,764.78
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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.