Finding the Fourth Proportional to 310,068,027.70, 465,102,041.55 and 266,985,877.30
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Solution
The fourth proportional to 310,068,027.70, 465,102,041.55 and 266,985,877.30 is: 400,478,815.95
Step by Step Solution
- Step 1: Write the proportion equation
310,068,027.70 : 465,102,041.55 = 266,985,877.30 : x - Step 2: Convert to fraction form
310,068,027.70/465,102,041.55 = 266,985,877.30/x - Step 3: Cross multiply
310,068,027.70x = 465,102,041.55 × 266,985,877.30 - Step 4: Simplify right side
310,068,027.70x = 124,175,676,597,247,808 - Step 5: Solve for x
x = 124,175,676,597,247,808/310,068,027.70 - Step 6: Final answer
x = 400,478,815.95
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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.