Finding the Fourth Proportional to 630,088,718.40, 943,621,423.20 and 306,594,676.80
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Solution
The fourth proportional to 630,088,718.40, 943,621,423.20 and 306,594,676.80 is: 459,156,459.75
Step by Step Solution
- Step 1: Write the proportion equation
630,088,718.40 : 943,621,423.20 = 306,594,676.80 : x - Step 2: Convert to fraction form
630,088,718.40/943,621,423.20 = 306,594,676.80/x - Step 3: Cross multiply
630,088,718.40x = 943,621,423.20 × 306,594,676.80 - Step 4: Simplify right side
630,088,718.40x = 289,309,305,267,560,064 - Step 5: Solve for x
x = 289,309,305,267,560,064/630,088,718.40 - Step 6: Final answer
x = 459,156,459.75
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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.