Finding the Fourth Proportional to 372,277,000.70, 558,415,501.05 and 247,441,509.80
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Solution
The fourth proportional to 372,277,000.70, 558,415,501.05 and 247,441,509.80 is: 371,162,264.70
Step by Step Solution
- Step 1: Write the proportion equation
372,277,000.70 : 558,415,501.05 = 247,441,509.80 : x - Step 2: Convert to fraction form
372,277,000.70/558,415,501.05 = 247,441,509.80/x - Step 3: Cross multiply
372,277,000.70x = 558,415,501.05 × 247,441,509.80 - Step 4: Simplify right side
372,277,000.70x = 138,175,174,675,535,488 - Step 5: Solve for x
x = 138,175,174,675,535,488/372,277,000.70 - Step 6: Final answer
x = 371,162,264.70
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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.