Finding the Fourth Proportional to 1,895,926,219.80, 2,843,889,329.70 and 977,596,171.80
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Solution
The fourth proportional to 1,895,926,219.80, 2,843,889,329.70 and 977,596,171.80 is: 1,466,394,257.70
Step by Step Solution
- Step 1: Write the proportion equation
1,895,926,219.80 : 2,843,889,329.70 = 977,596,171.80 : x - Step 2: Convert to fraction form
1,895,926,219.80/2,843,889,329.70 = 977,596,171.80/x - Step 3: Cross multiply
1,895,926,219.80x = 2,843,889,329.70 × 977,596,171.80 - Step 4: Simplify right side
1,895,926,219.80x = 2,780,175,321,737,587,712 - Step 5: Solve for x
x = 2,780,175,321,737,587,712/1,895,926,219.80 - Step 6: Final answer
x = 1,466,394,257.70
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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.