Finding the Fourth Proportional to 291,337,482.24, 402,040,968.64 and 159,175,634.56
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Solution
The fourth proportional to 291,337,482.24, 402,040,968.64 and 159,175,634.56 is: 219,659,776.73
Step by Step Solution
- Step 1: Write the proportion equation
291,337,482.24 : 402,040,968.64 = 159,175,634.56 : x - Step 2: Convert to fraction form
291,337,482.24/402,040,968.64 = 159,175,634.56/x - Step 3: Cross multiply
291,337,482.24x = 402,040,968.64 × 159,175,634.56 - Step 4: Simplify right side
291,337,482.24x = 63,995,126,302,389,056 - Step 5: Solve for x
x = 63,995,126,302,389,056/291,337,482.24 - Step 6: Final answer
x = 219,659,776.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.