Finding the Fourth Proportional to 776,271,664.99, 1,163,727,253 and 291,937,595.23
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Solution
The fourth proportional to 776,271,664.99, 1,163,727,253 and 291,937,595.23 is: 437,650,568.82
Step by Step Solution
- Step 1: Write the proportion equation
776,271,664.99 : 1,163,727,253 = 291,937,595.23 : x - Step 2: Convert to fraction form
776,271,664.99/1,163,727,253 = 291,937,595.23/x - Step 3: Cross multiply
776,271,664.99x = 1,163,727,253 × 291,937,595.23 - Step 4: Simplify right side
776,271,664.99x = 339,735,735,744,433,856 - Step 5: Solve for x
x = 339,735,735,744,433,856/776,271,664.99 - Step 6: Final answer
x = 437,650,568.82
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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.