Finding the Fourth Proportional to 972,992,980.44, 1,459,677,246.50 and 317,767,856.96
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Solution
The fourth proportional to 972,992,980.44, 1,459,677,246.50 and 317,767,856.96 is: 476,713,110.78
Step by Step Solution
- Step 1: Write the proportion equation
972,992,980.44 : 1,459,677,246.50 = 317,767,856.96 : x - Step 2: Convert to fraction form
972,992,980.44/1,459,677,246.50 = 317,767,856.96/x - Step 3: Cross multiply
972,992,980.44x = 1,459,677,246.50 × 317,767,856.96 - Step 4: Simplify right side
972,992,980.44x = 463,838,510,473,578,624 - Step 5: Solve for x
x = 463,838,510,473,578,624/972,992,980.44 - Step 6: Final answer
x = 476,713,110.78
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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.