Finding the Fourth Proportional to 576,011,543.92, 794,898,037.50 and 311,693,539.06
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Solution
The fourth proportional to 576,011,543.92, 794,898,037.50 and 311,693,539.06 is: 430,138,223.99
Step by Step Solution
- Step 1: Write the proportion equation
576,011,543.92 : 794,898,037.50 = 311,693,539.06 : x - Step 2: Convert to fraction form
576,011,543.92/794,898,037.50 = 311,693,539.06/x - Step 3: Cross multiply
576,011,543.92x = 794,898,037.50 × 311,693,539.06 - Step 4: Simplify right side
576,011,543.92x = 247,764,582,500,223,584 - Step 5: Solve for x
x = 247,764,582,500,223,584/576,011,543.92 - Step 6: Final answer
x = 430,138,223.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.