Finding the Fourth Proportional to 576,562,919.93, 795,646,995.57 and 312,242,765.21
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Solution
The fourth proportional to 576,562,919.93, 795,646,995.57 and 312,242,765.21 is: 430,889,690.33
Step by Step Solution
- Step 1: Write the proportion equation
576,562,919.93 : 795,646,995.57 = 312,242,765.21 : x - Step 2: Convert to fraction form
576,562,919.93/795,646,995.57 = 312,242,765.21/x - Step 3: Cross multiply
576,562,919.93x = 795,646,995.57 × 312,242,765.21 - Step 4: Simplify right side
576,562,919.93x = 248,435,018,023,827,200 - Step 5: Solve for x
x = 248,435,018,023,827,200/576,562,919.93 - Step 6: Final answer
x = 430,889,690.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.