Finding the Fourth Proportional to 263,521,459.49, 392,926,237.18 and 256,281,444.28
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Solution
The fourth proportional to 263,521,459.49, 392,926,237.18 and 256,281,444.28 is: 382,130,942.02
Step by Step Solution
- Step 1: Write the proportion equation
263,521,459.49 : 392,926,237.18 = 256,281,444.28 : x - Step 2: Convert to fraction form
263,521,459.49/392,926,237.18 = 256,281,444.28/x - Step 3: Cross multiply
263,521,459.49x = 392,926,237.18 × 256,281,444.28 - Step 4: Simplify right side
263,521,459.49x = 100,699,703,558,031,600 - Step 5: Solve for x
x = 100,699,703,558,031,600/263,521,459.49 - Step 6: Final answer
x = 382,130,942.02
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.