Finding the Fourth Proportional to 361,107,052.36, 498,319,300.13 and 212,437,746.02
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Solution
The fourth proportional to 361,107,052.36, 498,319,300.13 and 212,437,746.02 is: 293,159,128.93
Step by Step Solution
- Step 1: Write the proportion equation
361,107,052.36 : 498,319,300.13 = 212,437,746.02 : x - Step 2: Convert to fraction form
361,107,052.36/498,319,300.13 = 212,437,746.02/x - Step 3: Cross multiply
361,107,052.36x = 498,319,300.13 × 212,437,746.02 - Step 4: Simplify right side
361,107,052.36x = 105,861,828,918,064,704 - Step 5: Solve for x
x = 105,861,828,918,064,704/361,107,052.36 - Step 6: Final answer
x = 293,159,128.93
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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.