Finding the Fourth Proportional to 862,806,178.08, 1,190,893,983.12 and 532,591,572.96
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Solution
The fourth proportional to 862,806,178.08, 1,190,893,983.12 and 532,591,572.96 is: 735,113,071.52
Step by Step Solution
- Step 1: Write the proportion equation
862,806,178.08 : 1,190,893,983.12 = 532,591,572.96 : x - Step 2: Convert to fraction form
862,806,178.08/1,190,893,983.12 = 532,591,572.96/x - Step 3: Cross multiply
862,806,178.08x = 1,190,893,983.12 × 532,591,572.96 - Step 4: Simplify right side
862,806,178.08x = 634,260,099,698,480,384 - Step 5: Solve for x
x = 634,260,099,698,480,384/862,806,178.08 - Step 6: Final answer
x = 735,113,071.52
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1.5x scale
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.