Finding the Fourth Proportional to 302,995,720.80, 418,142,306.16 and 185,518,815.84
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Solution
The fourth proportional to 302,995,720.80, 418,142,306.16 and 185,518,815.84 is: 256,020,993.59
Step by Step Solution
- Step 1: Write the proportion equation
302,995,720.80 : 418,142,306.16 = 185,518,815.84 : x - Step 2: Convert to fraction form
302,995,720.80/418,142,306.16 = 185,518,815.84/x - Step 3: Cross multiply
302,995,720.80x = 418,142,306.16 × 185,518,815.84 - Step 4: Simplify right side
302,995,720.80x = 77,573,265,491,409,936 - Step 5: Solve for x
x = 77,573,265,491,409,936/302,995,720.80 - Step 6: Final answer
x = 256,020,993.59
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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.