Finding the Fourth Proportional to 42,345,738,118.08, 63,528,080,211.36 and 12,904,085,177.28
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Solution
The fourth proportional to 42,345,738,118.08, 63,528,080,211.36 and 12,904,085,177.28 is: 19,359,014,498.95
Step by Step Solution
- Step 1: Write the proportion equation
42,345,738,118.08 : 63,528,080,211.36 = 12,904,085,177.28 : x - Step 2: Convert to fraction form
42,345,738,118.08/63,528,080,211.36 = 12,904,085,177.28/x - Step 3: Cross multiply
42,345,738,118.08x = 63,528,080,211.36 × 12,904,085,177.28 - Step 4: Simplify right side
42,345,738,118.08x = 819,771,758,196,465,467,392 - Step 5: Solve for x
x = 819,771,758,196,465,467,392/42,345,738,118.08 - Step 6: Final answer
x = 19,359,014,498.95
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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.