Finding the Fourth Proportional to 529,337,289.24, 729,978,503.58 and 350,437,984.92
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Solution
The fourth proportional to 529,337,289.24, 729,978,503.58 and 350,437,984.92 is: 483,268,798.61
Step by Step Solution
- Step 1: Write the proportion equation
529,337,289.24 : 729,978,503.58 = 350,437,984.92 : x - Step 2: Convert to fraction form
529,337,289.24/729,978,503.58 = 350,437,984.92/x - Step 3: Cross multiply
529,337,289.24x = 729,978,503.58 × 350,437,984.92 - Step 4: Simplify right side
529,337,289.24x = 255,812,195,829,492,224 - Step 5: Solve for x
x = 255,812,195,829,492,224/529,337,289.24 - Step 6: Final answer
x = 483,268,798.61
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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.