Finding the Fourth Proportional to 527,036,868.01, 790,395,952.72 and 158,473,981.62
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Solution
The fourth proportional to 527,036,868.01, 790,395,952.72 and 158,473,981.62 is: 237,663,057.91
Step by Step Solution
- Step 1: Write the proportion equation
527,036,868.01 : 790,395,952.72 = 158,473,981.62 : x - Step 2: Convert to fraction form
527,036,868.01/790,395,952.72 = 158,473,981.62/x - Step 3: Cross multiply
527,036,868.01x = 790,395,952.72 × 158,473,981.62 - Step 4: Simplify right side
527,036,868.01x = 125,257,193,683,871,680 - Step 5: Solve for x
x = 125,257,193,683,871,680/527,036,868.01 - Step 6: Final answer
x = 237,663,057.91
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1.5x scale
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.