Finding the Fourth Proportional to 430,695,249.28, 594,356,420.48 and 235,124,961.28
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Solution
The fourth proportional to 430,695,249.28, 594,356,420.48 and 235,124,961.28 is: 324,470,795.96
Step by Step Solution
- Step 1: Write the proportion equation
430,695,249.28 : 594,356,420.48 = 235,124,961.28 : x - Step 2: Convert to fraction form
430,695,249.28/594,356,420.48 = 235,124,961.28/x - Step 3: Cross multiply
430,695,249.28x = 594,356,420.48 × 235,124,961.28 - Step 4: Simplify right side
430,695,249.28x = 139,748,030,351,879,408 - Step 5: Solve for x
x = 139,748,030,351,879,408/430,695,249.28 - Step 6: Final answer
x = 324,470,795.96
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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.