Finding the Fourth Proportional to 406,344,752.18, 560,746,220.10 and 239,091,846.50
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Solution
The fourth proportional to 406,344,752.18, 560,746,220.10 and 239,091,846.50 is: 329,941,136.10
Step by Step Solution
- Step 1: Write the proportion equation
406,344,752.18 : 560,746,220.10 = 239,091,846.50 : x - Step 2: Convert to fraction form
406,344,752.18/560,746,220.10 = 239,091,846.50/x - Step 3: Cross multiply
406,344,752.18x = 560,746,220.10 × 239,091,846.50 - Step 4: Simplify right side
406,344,752.18x = 134,069,849,181,604,416 - Step 5: Solve for x
x = 134,069,849,181,604,416/406,344,752.18 - Step 6: Final answer
x = 329,941,136.10
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.