Finding the Fourth Proportional to 426,492,000.08, 639,738,000.11 and 357,617,246.48
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Solution
The fourth proportional to 426,492,000.08, 639,738,000.11 and 357,617,246.48 is: 536,425,869.71
Step by Step Solution
- Step 1: Write the proportion equation
426,492,000.08 : 639,738,000.11 = 357,617,246.48 : x - Step 2: Convert to fraction form
426,492,000.08/639,738,000.11 = 357,617,246.48/x - Step 3: Cross multiply
426,492,000.08x = 639,738,000.11 × 357,617,246.48 - Step 4: Simplify right side
426,492,000.08x = 228,781,342,065,655,488 - Step 5: Solve for x
x = 228,781,342,065,655,488/426,492,000.08 - Step 6: Final answer
x = 536,425,869.71
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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.