Finding the Fourth Proportional to 576,178,082.99, 795,145,026.36 and 353,116,661.15
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Solution
The fourth proportional to 576,178,082.99, 795,145,026.36 and 353,116,661.15 is: 487,312,803.33
Step by Step Solution
- Step 1: Write the proportion equation
576,178,082.99 : 795,145,026.36 = 353,116,661.15 : x - Step 2: Convert to fraction form
576,178,082.99/795,145,026.36 = 353,116,661.15/x - Step 3: Cross multiply
576,178,082.99x = 795,145,026.36 × 353,116,661.15 - Step 4: Simplify right side
576,178,082.99x = 280,778,956,838,271,936 - Step 5: Solve for x
x = 280,778,956,838,271,936/576,178,082.99 - Step 6: Final answer
x = 487,312,803.33
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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.