Finding the Fourth Proportional to 622,885,538.20, 934,328,307.30 and 613,200,025.99
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Solution
The fourth proportional to 622,885,538.20, 934,328,307.30 and 613,200,025.99 is: 919,800,038.99
Step by Step Solution
- Step 1: Write the proportion equation
622,885,538.20 : 934,328,307.30 = 613,200,025.99 : x - Step 2: Convert to fraction form
622,885,538.20/934,328,307.30 = 613,200,025.99/x - Step 3: Cross multiply
622,885,538.20x = 934,328,307.30 × 613,200,025.99 - Step 4: Simplify right side
622,885,538.20x = 572,930,142,319,552,704 - Step 5: Solve for x
x = 572,930,142,319,552,704/622,885,538.20 - Step 6: Final answer
x = 919,800,038.99
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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.