Finding the Fourth Proportional to 578,409,177.20, 797,909,518.68 and 369,345,507.44
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Solution
The fourth proportional to 578,409,177.20, 797,909,518.68 and 369,345,507.44 is: 509,508,333.69
Step by Step Solution
- Step 1: Write the proportion equation
578,409,177.20 : 797,909,518.68 = 369,345,507.44 : x - Step 2: Convert to fraction form
578,409,177.20/797,909,518.68 = 369,345,507.44/x - Step 3: Cross multiply
578,409,177.20x = 797,909,518.68 × 369,345,507.44 - Step 4: Simplify right side
578,409,177.20x = 294,704,296,068,070,720 - Step 5: Solve for x
x = 294,704,296,068,070,720/578,409,177.20 - Step 6: Final answer
x = 509,508,333.69
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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.