Finding the Fourth Proportional to 349,974,931.68, 524,840,821.92 and 194,765,595.84
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Solution
The fourth proportional to 349,974,931.68, 524,840,821.92 and 194,765,595.84 is: 292,080,735.36
Step by Step Solution
- Step 1: Write the proportion equation
349,974,931.68 : 524,840,821.92 = 194,765,595.84 : x - Step 2: Convert to fraction form
349,974,931.68/524,840,821.92 = 194,765,595.84/x - Step 3: Cross multiply
349,974,931.68x = 524,840,821.92 × 194,765,595.84 - Step 4: Simplify right side
349,974,931.68x = 102,220,935,402,404,144 - Step 5: Solve for x
x = 102,220,935,402,404,144/349,974,931.68 - Step 6: Final answer
x = 292,080,735.36
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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.