Finding the Fourth Proportional to 415,854,271.24, 573,856,158.80 and 227,646,156.03
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Solution
The fourth proportional to 415,854,271.24, 573,856,158.80 and 227,646,156.03 is: 314,139,249.49
Step by Step Solution
- Step 1: Write the proportion equation
415,854,271.24 : 573,856,158.80 = 227,646,156.03 : x - Step 2: Convert to fraction form
415,854,271.24/573,856,158.80 = 227,646,156.03/x - Step 3: Cross multiply
415,854,271.24x = 573,856,158.80 × 227,646,156.03 - Step 4: Simplify right side
415,854,271.24x = 130,636,148,664,961,248 - Step 5: Solve for x
x = 130,636,148,664,961,248/415,854,271.24 - Step 6: Final answer
x = 314,139,249.49
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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.