Finding the Fourth Proportional to 576,562,919.55, 795,646,995.06 and 312,242,764.83
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Solution
The fourth proportional to 576,562,919.55, 795,646,995.06 and 312,242,764.83 is: 430,889,689.82
Step by Step Solution
- Step 1: Write the proportion equation
576,562,919.55 : 795,646,995.06 = 312,242,764.83 : x - Step 2: Convert to fraction form
576,562,919.55/795,646,995.06 = 312,242,764.83/x - Step 3: Cross multiply
576,562,919.55x = 795,646,995.06 × 312,242,764.83 - Step 4: Simplify right side
576,562,919.55x = 248,435,017,566,215,712 - Step 5: Solve for x
x = 248,435,017,566,215,712/576,562,919.55 - Step 6: Final answer
x = 430,889,689.82
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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.