Finding the Fourth Proportional to 1,348,421,220.80, 2,021,810,685.60 and 529,552,433.60
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Solution
The fourth proportional to 1,348,421,220.80, 2,021,810,685.60 and 529,552,433.60 is: 794,006,169.82
Step by Step Solution
- Step 1: Write the proportion equation
1,348,421,220.80 : 2,021,810,685.60 = 529,552,433.60 : x - Step 2: Convert to fraction form
1,348,421,220.80/2,021,810,685.60 = 529,552,433.60/x - Step 3: Cross multiply
1,348,421,220.80x = 2,021,810,685.60 × 529,552,433.60 - Step 4: Simplify right side
1,348,421,220.80x = 1,070,654,768,837,964,416 - Step 5: Solve for x
x = 1,070,654,768,837,964,416/1,348,421,220.80 - Step 6: Final answer
x = 794,006,169.82
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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.