Finding the Fourth Proportional to 757,498,370.24, 1,135,243,066.20 and 389,018,438.48
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Solution
The fourth proportional to 757,498,370.24, 1,135,243,066.20 and 389,018,438.48 is: 583,011,795.48
Step by Step Solution
- Step 1: Write the proportion equation
757,498,370.24 : 1,135,243,066.20 = 389,018,438.48 : x - Step 2: Convert to fraction form
757,498,370.24/1,135,243,066.20 = 389,018,438.48/x - Step 3: Cross multiply
757,498,370.24x = 1,135,243,066.20 × 389,018,438.48 - Step 4: Simplify right side
757,498,370.24x = 441,630,484,908,371,328 - Step 5: Solve for x
x = 441,630,484,908,371,328/757,498,370.24 - Step 6: Final answer
x = 583,011,795.48
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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.