Finding the Fourth Proportional to 376,776,553.19, 565,191,733.99 and 100,426,319.78
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Solution
The fourth proportional to 376,776,553.19, 565,191,733.99 and 100,426,319.78 is: 150,646,650.74
Step by Step Solution
- Step 1: Write the proportion equation
376,776,553.19 : 565,191,733.99 = 100,426,319.78 : x - Step 2: Convert to fraction form
376,776,553.19/565,191,733.99 = 100,426,319.78/x - Step 3: Cross multiply
376,776,553.19x = 565,191,733.99 × 100,426,319.78 - Step 4: Simplify right side
376,776,553.19x = 56,760,125,814,692,440 - Step 5: Solve for x
x = 56,760,125,814,692,440/376,776,553.19 - Step 6: Final answer
x = 150,646,650.74
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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.