Finding the Fourth Proportional to 575,369,542.20, 863,138,294.10 and 187,126,303.80
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Solution
The fourth proportional to 575,369,542.20, 863,138,294.10 and 187,126,303.80 is: 280,716,768.61
Step by Step Solution
- Step 1: Write the proportion equation
575,369,542.20 : 863,138,294.10 = 187,126,303.80 : x - Step 2: Convert to fraction form
575,369,542.20/863,138,294.10 = 187,126,303.80/x - Step 3: Cross multiply
575,369,542.20x = 863,138,294.10 × 187,126,303.80 - Step 4: Simplify right side
575,369,542.20x = 161,515,878,643,170,368 - Step 5: Solve for x
x = 161,515,878,643,170,368/575,369,542.20 - Step 6: Final answer
x = 280,716,768.61
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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.