Finding the Fourth Proportional to 1,873,222,833.42, 2,808,745,128.18 and 708,781,129.92
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Solution
The fourth proportional to 1,873,222,833.42, 2,808,745,128.18 and 708,781,129.92 is: 1,062,759,598.11
Step by Step Solution
- Step 1: Write the proportion equation
1,873,222,833.42 : 2,808,745,128.18 = 708,781,129.92 : x - Step 2: Convert to fraction form
1,873,222,833.42/2,808,745,128.18 = 708,781,129.92/x - Step 3: Cross multiply
1,873,222,833.42x = 2,808,745,128.18 × 708,781,129.92 - Step 4: Simplify right side
1,873,222,833.42x = 1,990,785,545,608,715,264 - Step 5: Solve for x
x = 1,990,785,545,608,715,264/1,873,222,833.42 - Step 6: Final answer
x = 1,062,759,598.11
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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.