Finding the Fourth Proportional to 329,037,756.64, 493,551,652.74 and 80,045,358.57
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Solution
The fourth proportional to 329,037,756.64, 493,551,652.74 and 80,045,358.57 is: 120,066,825.82
Step by Step Solution
- Step 1: Write the proportion equation
329,037,756.64 : 493,551,652.74 = 80,045,358.57 : x - Step 2: Convert to fraction form
329,037,756.64/493,551,652.74 = 80,045,358.57/x - Step 3: Cross multiply
329,037,756.64x = 493,551,652.74 × 80,045,358.57 - Step 4: Simplify right side
329,037,756.64x = 39,506,519,013,521,440 - Step 5: Solve for x
x = 39,506,519,013,521,440/329,037,756.64 - Step 6: Final answer
x = 120,066,825.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.