Finding the Fourth Proportional to 452,311,462.40, 678,506,272.68 and 124,786,975.95
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Solution
The fourth proportional to 452,311,462.40, 678,506,272.68 and 124,786,975.95 is: 187,191,245.34
Step by Step Solution
- Step 1: Write the proportion equation
452,311,462.40 : 678,506,272.68 = 124,786,975.95 : x - Step 2: Convert to fraction form
452,311,462.40/678,506,272.68 = 124,786,975.95/x - Step 3: Cross multiply
452,311,462.40x = 678,506,272.68 × 124,786,975.95 - Step 4: Simplify right side
452,311,462.40x = 84,668,745,930,251,808 - Step 5: Solve for x
x = 84,668,745,930,251,808/452,311,462.40 - Step 6: Final answer
x = 187,191,245.34
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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.