Finding the Fourth Proportional to 3,119,719,720.68, 4,679,579,297.12 and 1,372,922,457.57
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Solution
The fourth proportional to 3,119,719,720.68, 4,679,579,297.12 and 1,372,922,457.57 is: 2,059,383,561.41
Step by Step Solution
- Step 1: Write the proportion equation
3,119,719,720.68 : 4,679,579,297.12 = 1,372,922,457.57 : x - Step 2: Convert to fraction form
3,119,719,720.68/4,679,579,297.12 = 1,372,922,457.57/x - Step 3: Cross multiply
3,119,719,720.68x = 4,679,579,297.12 × 1,372,922,457.57 - Step 4: Simplify right side
3,119,719,720.68x = 6,424,699,508,988,818,432 - Step 5: Solve for x
x = 6,424,699,508,988,818,432/3,119,719,720.68 - Step 6: Final answer
x = 2,059,383,561.41
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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.