Finding the Fourth Proportional to 431,587,558.99, 595,645,380.44 and 283,033,659.43
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Solution
The fourth proportional to 431,587,558.99, 595,645,380.44 and 283,033,659.43 is: 390,622,223.09
Step by Step Solution
- Step 1: Write the proportion equation
431,587,558.99 : 595,645,380.44 = 283,033,659.43 : x - Step 2: Convert to fraction form
431,587,558.99/595,645,380.44 = 283,033,659.43/x - Step 3: Cross multiply
431,587,558.99x = 595,645,380.44 × 283,033,659.43 - Step 4: Simplify right side
431,587,558.99x = 168,587,691,748,507,776 - Step 5: Solve for x
x = 168,587,691,748,507,776/431,587,558.99 - Step 6: Final answer
x = 390,622,223.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.