Finding the Fourth Proportional to 314,930,273.70, 472,395,410.55 and 286,232,459.70
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Solution
The fourth proportional to 314,930,273.70, 472,395,410.55 and 286,232,459.70 is: 429,348,689.55
Step by Step Solution
- Step 1: Write the proportion equation
314,930,273.70 : 472,395,410.55 = 286,232,459.70 : x - Step 2: Convert to fraction form
314,930,273.70/472,395,410.55 = 286,232,459.70/x - Step 3: Cross multiply
314,930,273.70x = 472,395,410.55 × 286,232,459.70 - Step 4: Simplify right side
314,930,273.70x = 135,214,900,312,717,824 - Step 5: Solve for x
x = 135,214,900,312,717,824/314,930,273.70 - Step 6: Final answer
x = 429,348,689.55
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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.