Finding the Fourth Proportional to 931,211,530.35, 1,395,667,099.26 and 799,125,357.38
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Solution
The fourth proportional to 931,211,530.35, 1,395,667,099.26 and 799,125,357.38 is: 1,197,700,987.51
Step by Step Solution
- Step 1: Write the proportion equation
931,211,530.35 : 1,395,667,099.26 = 799,125,357.38 : x - Step 2: Convert to fraction form
931,211,530.35/1,395,667,099.26 = 799,125,357.38/x - Step 3: Cross multiply
931,211,530.35x = 1,395,667,099.26 × 799,125,357.38 - Step 4: Simplify right side
931,211,530.35x = 1,115,312,969,483,144,704 - Step 5: Solve for x
x = 1,115,312,969,483,144,704/931,211,530.35 - Step 6: Final answer
x = 1,197,700,987.51
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1.5x scale
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.