Finding the Fourth Proportional to 973,498,840.58, 1,343,494,311.86 and 549,965,606.42
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Solution
The fourth proportional to 973,498,840.58, 1,343,494,311.86 and 549,965,606.42 is: 758,989,772.91
Step by Step Solution
- Step 1: Write the proportion equation
973,498,840.58 : 1,343,494,311.86 = 549,965,606.42 : x - Step 2: Convert to fraction form
973,498,840.58/1,343,494,311.86 = 549,965,606.42/x - Step 3: Cross multiply
973,498,840.58x = 1,343,494,311.86 × 549,965,606.42 - Step 4: Simplify right side
973,498,840.58x = 738,875,663,943,905,408 - Step 5: Solve for x
x = 738,875,663,943,905,408/973,498,840.58 - Step 6: Final answer
x = 758,989,772.91
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1.5x scale
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.