Finding the Fourth Proportional to 374,217,432.84, 516,483,775.98 and 217,675,282.50
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Solution
The fourth proportional to 374,217,432.84, 516,483,775.98 and 217,675,282.50 is: 300,428,953.80
Step by Step Solution
- Step 1: Write the proportion equation
374,217,432.84 : 516,483,775.98 = 217,675,282.50 : x - Step 2: Convert to fraction form
374,217,432.84/516,483,775.98 = 217,675,282.50/x - Step 3: Cross multiply
374,217,432.84x = 516,483,775.98 × 217,675,282.50 - Step 4: Simplify right side
374,217,432.84x = 112,425,751,843,113,216 - Step 5: Solve for x
x = 112,425,751,843,113,216/374,217,432.84 - Step 6: Final answer
x = 300,428,953.80
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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.