Finding the Fourth Proportional to 338,317,480.79, 507,476,655.89 and 92,676,276.12
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Solution
The fourth proportional to 338,317,480.79, 507,476,655.89 and 92,676,276.12 is: 139,014,533.26
Step by Step Solution
- Step 1: Write the proportion equation
338,317,480.79 : 507,476,655.89 = 92,676,276.12 : x - Step 2: Convert to fraction form
338,317,480.79/507,476,655.89 = 92,676,276.12/x - Step 3: Cross multiply
338,317,480.79x = 507,476,655.89 × 92,676,276.12 - Step 4: Simplify right side
338,317,480.79x = 47,031,046,685,715,864 - Step 5: Solve for x
x = 47,031,046,685,715,864/338,317,480.79 - Step 6: Final answer
x = 139,014,533.26
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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.