Finding the Fourth Proportional to 353,593,295.19, 487,963,803.02 and 202,910,506.65
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Solution
The fourth proportional to 353,593,295.19, 487,963,803.02 and 202,910,506.65 is: 280,019,400.38
Step by Step Solution
- Step 1: Write the proportion equation
353,593,295.19 : 487,963,803.02 = 202,910,506.65 : x - Step 2: Convert to fraction form
353,593,295.19/487,963,803.02 = 202,910,506.65/x - Step 3: Cross multiply
353,593,295.19x = 487,963,803.02 × 202,910,506.65 - Step 4: Simplify right side
353,593,295.19x = 99,012,982,496,634,448 - Step 5: Solve for x
x = 99,012,982,496,634,448/353,593,295.19 - Step 6: Final answer
x = 280,019,400.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.