Finding the Fourth Proportional to 320,476,044.64, 480,646,798.08 and 90,391,322.08
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Solution
The fourth proportional to 320,476,044.64, 480,646,798.08 and 90,391,322.08 is: 135,568,009.71
Step by Step Solution
- Step 1: Write the proportion equation
320,476,044.64 : 480,646,798.08 = 90,391,322.08 : x - Step 2: Convert to fraction form
320,476,044.64/480,646,798.08 = 90,391,322.08/x - Step 3: Cross multiply
320,476,044.64x = 480,646,798.08 × 90,391,322.08 - Step 4: Simplify right side
320,476,044.64x = 43,446,299,531,970,000 - Step 5: Solve for x
x = 43,446,299,531,970,000/320,476,044.64 - Step 6: Final answer
x = 135,568,009.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.