Finding the Fourth Proportional to 803,326,782.53, 1,204,440,067.76 and 409,090,479.68
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Solution
The fourth proportional to 803,326,782.53, 1,204,440,067.76 and 409,090,479.68 is: 613,355,580.54
Step by Step Solution
- Step 1: Write the proportion equation
803,326,782.53 : 1,204,440,067.76 = 409,090,479.68 : x - Step 2: Convert to fraction form
803,326,782.53/1,204,440,067.76 = 409,090,479.68/x - Step 3: Cross multiply
803,326,782.53x = 1,204,440,067.76 × 409,090,479.68 - Step 4: Simplify right side
803,326,782.53x = 492,724,965,066,715,776 - Step 5: Solve for x
x = 492,724,965,066,715,776/803,326,782.53 - Step 6: Final answer
x = 613,355,580.54
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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.