Finding the Fourth Proportional to 563,674,438.76, 845,235,038.12 and 231,621,293.84
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Solution
The fourth proportional to 563,674,438.76, 845,235,038.12 and 231,621,293.84 is: 347,318,273.92
Step by Step Solution
- Step 1: Write the proportion equation
563,674,438.76 : 845,235,038.12 = 231,621,293.84 : x - Step 2: Convert to fraction form
563,674,438.76/845,235,038.12 = 231,621,293.84/x - Step 3: Cross multiply
563,674,438.76x = 845,235,038.12 × 231,621,293.84 - Step 4: Simplify right side
563,674,438.76x = 195,774,433,122,871,840 - Step 5: Solve for x
x = 195,774,433,122,871,840/563,674,438.76 - Step 6: Final answer
x = 347,318,273.92
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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.