Finding the Fourth Proportional to 356,258,867.80, 534,388,301.70 and 174,860,339.80
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Solution
The fourth proportional to 356,258,867.80, 534,388,301.70 and 174,860,339.80 is: 262,290,509.70
Step by Step Solution
- Step 1: Write the proportion equation
356,258,867.80 : 534,388,301.70 = 174,860,339.80 : x - Step 2: Convert to fraction form
356,258,867.80/534,388,301.70 = 174,860,339.80/x - Step 3: Cross multiply
356,258,867.80x = 534,388,301.70 × 174,860,339.80 - Step 4: Simplify right side
356,258,867.80x = 93,443,320,020,406,928 - Step 5: Solve for x
x = 93,443,320,020,406,928/356,258,867.80 - Step 6: Final answer
x = 262,290,509.70
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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.