Finding the Fourth Proportional to 1,223,657,353,947.10, 1,688,652,398,311.30 and 667,474,601,432.14
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Solution
The fourth proportional to 1,223,657,353,947.10, 1,688,652,398,311.30 and 667,474,601,432.14 is: 921,117,813,646.54
Step by Step Solution
- Step 1: Write the proportion equation
1,223,657,353,947.10 : 1,688,652,398,311.30 = 667,474,601,432.14 : x - Step 2: Convert to fraction form
1,223,657,353,947.10/1,688,652,398,311.30 = 667,474,601,432.14/x - Step 3: Cross multiply
1,223,657,353,947.10x = 1,688,652,398,311.30 × 667,474,601,432.14 - Step 4: Simplify right side
1,223,657,353,947.10x = 1,127,132,586,520,262,402,375,680 - Step 5: Solve for x
x = 1,127,132,586,520,262,402,375,680/1,223,657,353,947.10 - Step 6: Final answer
x = 921,117,813,646.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.