Finding the Fourth Proportional to 2,977,930,673.80, 4,466,896,010.70 and 796,896,809.80
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Solution
The fourth proportional to 2,977,930,673.80, 4,466,896,010.70 and 796,896,809.80 is: 1,195,345,214.70
Step by Step Solution
- Step 1: Write the proportion equation
2,977,930,673.80 : 4,466,896,010.70 = 796,896,809.80 : x - Step 2: Convert to fraction form
2,977,930,673.80/4,466,896,010.70 = 796,896,809.80/x - Step 3: Cross multiply
2,977,930,673.80x = 4,466,896,010.70 × 796,896,809.80 - Step 4: Simplify right side
2,977,930,673.80x = 3,559,655,180,635,176,448 - Step 5: Solve for x
x = 3,559,655,180,635,176,448/2,977,930,673.80 - Step 6: Final answer
x = 1,195,345,214.70
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1.5x scale
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.