Finding the Fourth Proportional to 503,213,005.68, 694,432,526.04 and 283,196,431.92
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Solution
The fourth proportional to 503,213,005.68, 694,432,526.04 and 283,196,431.92 is: 390,810,275.89
Step by Step Solution
- Step 1: Write the proportion equation
503,213,005.68 : 694,432,526.04 = 283,196,431.92 : x - Step 2: Convert to fraction form
503,213,005.68/694,432,526.04 = 283,196,431.92/x - Step 3: Cross multiply
503,213,005.68x = 694,432,526.04 × 283,196,431.92 - Step 4: Simplify right side
503,213,005.68x = 196,660,813,583,720,480 - Step 5: Solve for x
x = 196,660,813,583,720,480/503,213,005.68 - Step 6: Final answer
x = 390,810,275.89
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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.