Finding the Fourth Proportional to 349,655,457.74, 482,521,572.18 and 193,019,201.70
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Solution
The fourth proportional to 349,655,457.74, 482,521,572.18 and 193,019,201.70 is: 266,364,864.63
Step by Step Solution
- Step 1: Write the proportion equation
349,655,457.74 : 482,521,572.18 = 193,019,201.70 : x - Step 2: Convert to fraction form
349,655,457.74/482,521,572.18 = 193,019,201.70/x - Step 3: Cross multiply
349,655,457.74x = 482,521,572.18 × 193,019,201.70 - Step 4: Simplify right side
349,655,457.74x = 93,135,928,665,212,528 - Step 5: Solve for x
x = 93,135,928,665,212,528/349,655,457.74 - Step 6: Final answer
x = 266,364,864.63
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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.