Finding the Fourth Proportional to 459,386,814.96, 689,076,679.50 and 114,338,124.18
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Solution
The fourth proportional to 459,386,814.96, 689,076,679.50 and 114,338,124.18 is: 171,506,304.46
Step by Step Solution
- Step 1: Write the proportion equation
459,386,814.96 : 689,076,679.50 = 114,338,124.18 : x - Step 2: Convert to fraction form
459,386,814.96/689,076,679.50 = 114,338,124.18/x - Step 3: Cross multiply
459,386,814.96x = 689,076,679.50 × 114,338,124.18 - Step 4: Simplify right side
459,386,814.96x = 78,787,734,950,213,072 - Step 5: Solve for x
x = 78,787,734,950,213,072/459,386,814.96 - Step 6: Final answer
x = 171,506,304.46
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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.