Finding the Fourth Proportional to 579,862,423.08, 800,210,274.50 and 319,102,039.08
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Solution
The fourth proportional to 579,862,423.08, 800,210,274.50 and 319,102,039.08 is: 440,360,885.83
Step by Step Solution
- Step 1: Write the proportion equation
579,862,423.08 : 800,210,274.50 = 319,102,039.08 : x - Step 2: Convert to fraction form
579,862,423.08/800,210,274.50 = 319,102,039.08/x - Step 3: Cross multiply
579,862,423.08x = 800,210,274.50 × 319,102,039.08 - Step 4: Simplify right side
579,862,423.08x = 255,348,730,285,716,512 - Step 5: Solve for x
x = 255,348,730,285,716,512/579,862,423.08 - Step 6: Final answer
x = 440,360,885.83
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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.