Finding the Fourth Proportional to 351,431,401.84, 526,775,430.84 and 129,960,429.04
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Solution
The fourth proportional to 351,431,401.84, 526,775,430.84 and 129,960,429.04 is: 194,803,198.12
Step by Step Solution
- Step 1: Write the proportion equation
351,431,401.84 : 526,775,430.84 = 129,960,429.04 : x - Step 2: Convert to fraction form
351,431,401.84/526,775,430.84 = 129,960,429.04/x - Step 3: Cross multiply
351,431,401.84x = 526,775,430.84 × 129,960,429.04 - Step 4: Simplify right side
351,431,401.84x = 68,459,960,999,697,248 - Step 5: Solve for x
x = 68,459,960,999,697,248/351,431,401.84 - Step 6: Final answer
x = 194,803,198.12
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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.