Finding the Fourth Proportional to 644,756,854.36, 967,134,690.72 and 202,102,718.08
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Solution
The fourth proportional to 644,756,854.36, 967,134,690.72 and 202,102,718.08 is: 303,153,891.92
Step by Step Solution
- Step 1: Write the proportion equation
644,756,854.36 : 967,134,690.72 = 202,102,718.08 : x - Step 2: Convert to fraction form
644,756,854.36/967,134,690.72 = 202,102,718.08/x - Step 3: Cross multiply
644,756,854.36x = 967,134,690.72 × 202,102,718.08 - Step 4: Simplify right side
644,756,854.36x = 195,460,549,738,125,952 - Step 5: Solve for x
x = 195,460,549,738,125,952/644,756,854.36 - Step 6: Final answer
x = 303,153,891.92
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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.