Finding the Fourth Proportional to 615,883,050.38, 849,709,357.34 and 351,375,023.18
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Solution
The fourth proportional to 615,883,050.38, 849,709,357.34 and 351,375,023.18 is: 484,778,148.94
Step by Step Solution
- Step 1: Write the proportion equation
615,883,050.38 : 849,709,357.34 = 351,375,023.18 : x - Step 2: Convert to fraction form
615,883,050.38/849,709,357.34 = 351,375,023.18/x - Step 3: Cross multiply
615,883,050.38x = 849,709,357.34 × 351,375,023.18 - Step 4: Simplify right side
615,883,050.38x = 298,566,645,125,600,000 - Step 5: Solve for x
x = 298,566,645,125,600,000/615,883,050.38 - Step 6: Final answer
x = 484,778,148.94
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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.