Finding the Fourth Proportional to 623,051,031.99, 934,578,131.03 and 254,585,984.99
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Solution
The fourth proportional to 623,051,031.99, 934,578,131.03 and 254,585,984.99 is: 381,879,624.34
Step by Step Solution
- Step 1: Write the proportion equation
623,051,031.99 : 934,578,131.03 = 254,585,984.99 : x - Step 2: Convert to fraction form
623,051,031.99/934,578,131.03 = 254,585,984.99/x - Step 3: Cross multiply
623,051,031.99x = 934,578,131.03 × 254,585,984.99 - Step 4: Simplify right side
623,051,031.99x = 237,930,494,041,358,752 - Step 5: Solve for x
x = 237,930,494,041,358,752/623,051,031.99 - Step 6: Final answer
x = 381,879,624.34
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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.