Finding the Fourth Proportional to 270,479,854.20, 405,719,781.30 and 184,386,412.20
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Solution
The fourth proportional to 270,479,854.20, 405,719,781.30 and 184,386,412.20 is: 276,579,618.30
Step by Step Solution
- Step 1: Write the proportion equation
270,479,854.20 : 405,719,781.30 = 184,386,412.20 : x - Step 2: Convert to fraction form
270,479,854.20/405,719,781.30 = 184,386,412.20/x - Step 3: Cross multiply
270,479,854.20x = 405,719,781.30 × 184,386,412.20 - Step 4: Simplify right side
270,479,854.20x = 74,809,214,832,475,648 - Step 5: Solve for x
x = 74,809,214,832,475,648/270,479,854.20 - Step 6: Final answer
x = 276,579,618.30
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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.