Finding the Fourth Proportional to 803,909,318.68, 1,205,578,607.42 and 235,869,121.34
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Solution
The fourth proportional to 803,909,318.68, 1,205,578,607.42 and 235,869,121.34 is: 353,719,953.51
Step by Step Solution
- Step 1: Write the proportion equation
803,909,318.68 : 1,205,578,607.42 = 235,869,121.34 : x - Step 2: Convert to fraction form
803,909,318.68/1,205,578,607.42 = 235,869,121.34/x - Step 3: Cross multiply
803,909,318.68x = 1,205,578,607.42 × 235,869,121.34 - Step 4: Simplify right side
803,909,318.68x = 284,358,766,832,428,352 - Step 5: Solve for x
x = 284,358,766,832,428,352/803,909,318.68 - Step 6: Final answer
x = 353,719,953.51
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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.