Finding the Fourth Proportional to 1,060,893,603.70, 1,591,340,405.55 and 544,332,951.70
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Solution
The fourth proportional to 1,060,893,603.70, 1,591,340,405.55 and 544,332,951.70 is: 816,499,427.55
Step by Step Solution
- Step 1: Write the proportion equation
1,060,893,603.70 : 1,591,340,405.55 = 544,332,951.70 : x - Step 2: Convert to fraction form
1,060,893,603.70/1,591,340,405.55 = 544,332,951.70/x - Step 3: Cross multiply
1,060,893,603.70x = 1,591,340,405.55 × 544,332,951.70 - Step 4: Simplify right side
1,060,893,603.70x = 866,219,020,112,506,624 - Step 5: Solve for x
x = 866,219,020,112,506,624/1,060,893,603.70 - Step 6: Final answer
x = 816,499,427.55
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Double scale
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Similar ratio
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1.5x scale
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.