Finding the Fourth Proportional to 462,438,236,136.99, 638,113,008,694.05 and 256,681,147,753.50
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Solution
The fourth proportional to 462,438,236,136.99, 638,113,008,694.05 and 256,681,147,753.50 is: 354,191,255,542.09
Step by Step Solution
- Step 1: Write the proportion equation
462,438,236,136.99 : 638,113,008,694.05 = 256,681,147,753.50 : x - Step 2: Convert to fraction form
462,438,236,136.99/638,113,008,694.05 = 256,681,147,753.50/x - Step 3: Cross multiply
462,438,236,136.99x = 638,113,008,694.05 × 256,681,147,753.50 - Step 4: Simplify right side
462,438,236,136.99x = 163,791,579,468,027,874,246,656 - Step 5: Solve for x
x = 163,791,579,468,027,874,246,656/462,438,236,136.99 - Step 6: Final answer
x = 354,191,255,542.09
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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.