Finding the Fourth Proportional to 565,320,014.90, 779,615,281.34 and 366,869,316.68
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Solution
The fourth proportional to 565,320,014.90, 779,615,281.34 and 366,869,316.68 is: 505,938,084.62
Step by Step Solution
- Step 1: Write the proportion equation
565,320,014.90 : 779,615,281.34 = 366,869,316.68 : x - Step 2: Convert to fraction form
565,320,014.90/779,615,281.34 = 366,869,316.68/x - Step 3: Cross multiply
565,320,014.90x = 779,615,281.34 × 366,869,316.68 - Step 4: Simplify right side
565,320,014.90x = 286,016,925,538,491,776 - Step 5: Solve for x
x = 286,016,925,538,491,776/565,320,014.90 - Step 6: Final answer
x = 505,938,084.62
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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.