Finding the Fourth Proportional to 541,646,282.52, 747,461,193.84 and 318,652,064.28
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Solution
The fourth proportional to 541,646,282.52, 747,461,193.84 and 318,652,064.28 is: 439,733,567.96
Step by Step Solution
- Step 1: Write the proportion equation
541,646,282.52 : 747,461,193.84 = 318,652,064.28 : x - Step 2: Convert to fraction form
541,646,282.52/747,461,193.84 = 318,652,064.28/x - Step 3: Cross multiply
541,646,282.52x = 747,461,193.84 × 318,652,064.28 - Step 4: Simplify right side
541,646,282.52x = 238,180,052,386,309,216 - Step 5: Solve for x
x = 238,180,052,386,309,216/541,646,282.52 - Step 6: Final answer
x = 439,733,567.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.