Finding the Fourth Proportional to 644,756,862.90, 967,134,703.44 and 202,102,726.62
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Solution
The fourth proportional to 644,756,862.90, 967,134,703.44 and 202,102,726.62 is: 303,153,904.71
Step by Step Solution
- Step 1: Write the proportion equation
644,756,862.90 : 967,134,703.44 = 202,102,726.62 : x - Step 2: Convert to fraction form
644,756,862.90/967,134,703.44 = 202,102,726.62/x - Step 3: Cross multiply
644,756,862.90x = 967,134,703.44 × 202,102,726.62 - Step 4: Simplify right side
644,756,862.90x = 195,460,560,574,049,120 - Step 5: Solve for x
x = 195,460,560,574,049,120/644,756,862.90 - Step 6: Final answer
x = 303,153,904.71
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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.