Finding the Fourth Proportional to 493,639,331.84, 740,448,623.74 and 120,149,301.60
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Solution
The fourth proportional to 493,639,331.84, 740,448,623.74 and 120,149,301.60 is: 180,221,427.42
Step by Step Solution
- Step 1: Write the proportion equation
493,639,331.84 : 740,448,623.74 = 120,149,301.60 : x - Step 2: Convert to fraction form
493,639,331.84/740,448,623.74 = 120,149,301.60/x - Step 3: Cross multiply
493,639,331.84x = 740,448,623.74 × 120,149,301.60 - Step 4: Simplify right side
493,639,331.84x = 88,964,385,013,042,176 - Step 5: Solve for x
x = 88,964,385,013,042,176/493,639,331.84 - Step 6: Final answer
x = 180,221,427.42
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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.