Finding the Fourth Proportional to 931,211,530.02, 1,395,667,098.76 and 799,125,357.05
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Solution
The fourth proportional to 931,211,530.02, 1,395,667,098.76 and 799,125,357.05 is: 1,197,700,987.02
Step by Step Solution
- Step 1: Write the proportion equation
931,211,530.02 : 1,395,667,098.76 = 799,125,357.05 : x - Step 2: Convert to fraction form
931,211,530.02/1,395,667,098.76 = 799,125,357.05/x - Step 3: Cross multiply
931,211,530.02x = 1,395,667,098.76 × 799,125,357.05 - Step 4: Simplify right side
931,211,530.02x = 1,115,312,968,626,516,864 - Step 5: Solve for x
x = 1,115,312,968,626,516,864/931,211,530.02 - Step 6: Final answer
x = 1,197,700,987.02
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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.