Finding the Fourth Proportional to 383,408,830.80, 575,113,246.20 and 336,057,437.70
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Solution
The fourth proportional to 383,408,830.80, 575,113,246.20 and 336,057,437.70 is: 504,086,156.55
Step by Step Solution
- Step 1: Write the proportion equation
383,408,830.80 : 575,113,246.20 = 336,057,437.70 : x - Step 2: Convert to fraction form
383,408,830.80/575,113,246.20 = 336,057,437.70/x - Step 3: Cross multiply
383,408,830.80x = 575,113,246.20 × 336,057,437.70 - Step 4: Simplify right side
383,408,830.80x = 193,271,083,905,301,280 - Step 5: Solve for x
x = 193,271,083,905,301,280/383,408,830.80 - Step 6: Final answer
x = 504,086,156.55
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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.