Finding the Fourth Proportional to 372,784,291.74, 514,420,190.55 and 213,977,726.46
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Solution
The fourth proportional to 372,784,291.74, 514,420,190.55 and 213,977,726.46 is: 295,276,558.74
Step by Step Solution
- Step 1: Write the proportion equation
372,784,291.74 : 514,420,190.55 = 213,977,726.46 : x - Step 2: Convert to fraction form
372,784,291.74/514,420,190.55 = 213,977,726.46/x - Step 3: Cross multiply
372,784,291.74x = 514,420,190.55 × 213,977,726.46 - Step 4: Simplify right side
372,784,291.74x = 110,074,462,819,008,976 - Step 5: Solve for x
x = 110,074,462,819,008,976/372,784,291.74 - Step 6: Final answer
x = 295,276,558.74
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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.