Finding the Fourth Proportional to 969,423,129.11, 1,454,338,981.35 and 314,323,072.49
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Solution
The fourth proportional to 969,423,129.11, 1,454,338,981.35 and 314,323,072.49 is: 471,550,846.40
Step by Step Solution
- Step 1: Write the proportion equation
969,423,129.11 : 1,454,338,981.35 = 314,323,072.49 : x - Step 2: Convert to fraction form
969,423,129.11/1,454,338,981.35 = 314,323,072.49/x - Step 3: Cross multiply
969,423,129.11x = 1,454,338,981.35 × 314,323,072.49 - Step 4: Simplify right side
969,423,129.11x = 457,132,297,052,637,120 - Step 5: Solve for x
x = 457,132,297,052,637,120/969,423,129.11 - Step 6: Final answer
x = 471,550,846.40
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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.