Finding the Fourth Proportional to 984,785,253,688.42, 1,475,254,103,212.90 and 678,420,917,226.41
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Solution
The fourth proportional to 984,785,253,688.42, 1,475,254,103,212.90 and 678,420,917,226.41 is: 1,016,306,081,041.69
Step by Step Solution
- Step 1: Write the proportion equation
984,785,253,688.42 : 1,475,254,103,212.90 = 678,420,917,226.41 : x - Step 2: Convert to fraction form
984,785,253,688.42/1,475,254,103,212.90 = 678,420,917,226.41/x - Step 3: Cross multiply
984,785,253,688.42x = 1,475,254,103,212.90 × 678,420,917,226.41 - Step 4: Simplify right side
984,785,253,688.42x = 1,000,843,241,843,720,586,264,576 - Step 5: Solve for x
x = 1,000,843,241,843,720,586,264,576/984,785,253,688.42 - Step 6: Final answer
x = 1,016,306,081,041.69
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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.