Finding the Fourth Proportional to 447,865,331.10, 671,750,239.05 and 156,738,014.70
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Solution
The fourth proportional to 447,865,331.10, 671,750,239.05 and 156,738,014.70 is: 235,090,308.47
Step by Step Solution
- Step 1: Write the proportion equation
447,865,331.10 : 671,750,239.05 = 156,738,014.70 : x - Step 2: Convert to fraction form
447,865,331.10/671,750,239.05 = 156,738,014.70/x - Step 3: Cross multiply
447,865,331.10x = 671,750,239.05 × 156,738,014.70 - Step 4: Simplify right side
447,865,331.10x = 105,288,798,842,947,392 - Step 5: Solve for x
x = 105,288,798,842,947,392/447,865,331.10 - Step 6: Final answer
x = 235,090,308.47
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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.