Finding the Fourth Proportional to 984,785,253,690.42, 1,475,254,103,215.90 and 678,420,917,228.41
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Solution
The fourth proportional to 984,785,253,690.42, 1,475,254,103,215.90 and 678,420,917,228.41 is: 1,016,306,081,044.68
Step by Step Solution
- Step 1: Write the proportion equation
984,785,253,690.42 : 1,475,254,103,215.90 = 678,420,917,228.41 : x - Step 2: Convert to fraction form
984,785,253,690.42/1,475,254,103,215.90 = 678,420,917,228.41/x - Step 3: Cross multiply
984,785,253,690.42x = 1,475,254,103,215.90 × 678,420,917,228.41 - Step 4: Simplify right side
984,785,253,690.42x = 1,000,843,241,848,706,237,988,864 - Step 5: Solve for x
x = 1,000,843,241,848,706,237,988,864/984,785,253,690.42 - Step 6: Final answer
x = 1,016,306,081,044.68
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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.