Finding the Fourth Proportional to 1,758,775,491.80, 2,637,366,975.30 and 667,896,003.80
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Solution
The fourth proportional to 1,758,775,491.80, 2,637,366,975.30 and 667,896,003.80 is: 1,001,541,624.60
Step by Step Solution
- Step 1: Write the proportion equation
1,758,775,491.80 : 2,637,366,975.30 = 667,896,003.80 : x - Step 2: Convert to fraction form
1,758,775,491.80/2,637,366,975.30 = 667,896,003.80/x - Step 3: Cross multiply
1,758,775,491.80x = 2,637,366,975.30 × 667,896,003.80 - Step 4: Simplify right side
1,758,775,491.80x = 1,761,486,863,356,963,328 - Step 5: Solve for x
x = 1,761,486,863,356,963,328/1,758,775,491.80 - Step 6: Final answer
x = 1,001,541,624.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.