Finding the Fourth Proportional to 867,512,366.75, 1,197,133,489.28 and 471,026,281.61
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Solution
The fourth proportional to 867,512,366.75, 1,197,133,489.28 and 471,026,281.61 is: 649,998,037.68
Step by Step Solution
- Step 1: Write the proportion equation
867,512,366.75 : 1,197,133,489.28 = 471,026,281.61 : x - Step 2: Convert to fraction form
867,512,366.75/1,197,133,489.28 = 471,026,281.61/x - Step 3: Cross multiply
867,512,366.75x = 1,197,133,489.28 × 471,026,281.61 - Step 4: Simplify right side
867,512,366.75x = 563,881,336,050,533,632 - Step 5: Solve for x
x = 563,881,336,050,533,632/867,512,366.75 - Step 6: Final answer
x = 649,998,037.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.