Finding the Fourth Proportional to 951,202,386.68, 1,426,336,781.27 and 390,862,705.84
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Solution
The fourth proportional to 951,202,386.68, 1,426,336,781.27 and 390,862,705.84 is: 586,102,244.45
Step by Step Solution
- Step 1: Write the proportion equation
951,202,386.68 : 1,426,336,781.27 = 390,862,705.84 : x - Step 2: Convert to fraction form
951,202,386.68/1,426,336,781.27 = 390,862,705.84/x - Step 3: Cross multiply
951,202,386.68x = 1,426,336,781.27 × 390,862,705.84 - Step 4: Simplify right side
951,202,386.68x = 557,501,853,760,788,288 - Step 5: Solve for x
x = 557,501,853,760,788,288/951,202,386.68 - Step 6: Final answer
x = 586,102,244.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.