Finding the Fourth Proportional to 623,390,023.08, 860,279,239.62 and 344,943,282.60
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Solution
The fourth proportional to 623,390,023.08, 860,279,239.62 and 344,943,282.60 is: 476,022,287.62
Step by Step Solution
- Step 1: Write the proportion equation
623,390,023.08 : 860,279,239.62 = 344,943,282.60 : x - Step 2: Convert to fraction form
623,390,023.08/860,279,239.62 = 344,943,282.60/x - Step 3: Cross multiply
623,390,023.08x = 860,279,239.62 × 344,943,282.60 - Step 4: Simplify right side
623,390,023.08x = 296,747,544,867,154,816 - Step 5: Solve for x
x = 296,747,544,867,154,816/623,390,023.08 - Step 6: Final answer
x = 476,022,287.62
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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.