Finding the Fourth Proportional to 330,929,698.04, 495,748,770.68 and 257,804,080.64
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Solution
The fourth proportional to 330,929,698.04, 495,748,770.68 and 257,804,080.64 is: 386,203,041.95
Step by Step Solution
- Step 1: Write the proportion equation
330,929,698.04 : 495,748,770.68 = 257,804,080.64 : x - Step 2: Convert to fraction form
330,929,698.04/495,748,770.68 = 257,804,080.64/x - Step 3: Cross multiply
330,929,698.04x = 495,748,770.68 × 257,804,080.64 - Step 4: Simplify right side
330,929,698.04x = 127,806,056,053,567,584 - Step 5: Solve for x
x = 127,806,056,053,567,584/330,929,698.04 - Step 6: Final answer
x = 386,203,041.95
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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.