Finding the Fourth Proportional to 838,512,692.70, 1,258,902,779.85 and 532,402,676.70
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Solution
The fourth proportional to 838,512,692.70, 1,258,902,779.85 and 532,402,676.70 is: 799,323,868.96
Step by Step Solution
- Step 1: Write the proportion equation
838,512,692.70 : 1,258,902,779.85 = 532,402,676.70 : x - Step 2: Convert to fraction form
838,512,692.70/1,258,902,779.85 = 532,402,676.70/x - Step 3: Cross multiply
838,512,692.70x = 1,258,902,779.85 × 532,402,676.70 - Step 4: Simplify right side
838,512,692.70x = 670,243,209,697,210,752 - Step 5: Solve for x
x = 670,243,209,697,210,752/838,512,692.70 - Step 6: Final answer
x = 799,323,868.96
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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.