Finding the Fourth Proportional to 623,515,959.42, 860,417,014.05 and 341,257,823.07
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Solution
The fourth proportional to 623,515,959.42, 860,417,014.05 and 341,257,823.07 is: 470,916,634.47
Step by Step Solution
- Step 1: Write the proportion equation
623,515,959.42 : 860,417,014.05 = 341,257,823.07 : x - Step 2: Convert to fraction form
623,515,959.42/860,417,014.05 = 341,257,823.07/x - Step 3: Cross multiply
623,515,959.42x = 860,417,014.05 × 341,257,823.07 - Step 4: Simplify right side
623,515,959.42x = 293,624,037,147,092,608 - Step 5: Solve for x
x = 293,624,037,147,092,608/623,515,959.42 - Step 6: Final answer
x = 470,916,634.47
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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.