Finding the Fourth Proportional to 978,383,942.34, 1,465,724,204.10 and 578,344,854.84
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Solution
The fourth proportional to 978,383,942.34, 1,465,724,204.10 and 578,344,854.84 is: 866,422,694.99
Step by Step Solution
- Step 1: Write the proportion equation
978,383,942.34 : 1,465,724,204.10 = 578,344,854.84 : x - Step 2: Convert to fraction form
978,383,942.34/1,465,724,204.10 = 578,344,854.84/x - Step 3: Cross multiply
978,383,942.34x = 1,465,724,204.10 × 578,344,854.84 - Step 4: Simplify right side
978,383,942.34x = 847,694,052,055,689,088 - Step 5: Solve for x
x = 847,694,052,055,689,088/978,383,942.34 - Step 6: Final answer
x = 866,422,694.99
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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.