Finding the Fourth Proportional to 77,684,406,954.38, 107,203,340,688.35 and 43,390,613,984.87
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Solution
The fourth proportional to 77,684,406,954.38, 107,203,340,688.35 and 43,390,613,984.87 is: 59,878,410,044.74
Step by Step Solution
- Step 1: Write the proportion equation
77,684,406,954.38 : 107,203,340,688.35 = 43,390,613,984.87 : x - Step 2: Convert to fraction form
77,684,406,954.38/107,203,340,688.35 = 43,390,613,984.87/x - Step 3: Cross multiply
77,684,406,954.38x = 107,203,340,688.35 × 43,390,613,984.87 - Step 4: Simplify right side
77,684,406,954.38x = 4,651,618,773,696,166,494,208 - Step 5: Solve for x
x = 4,651,618,773,696,166,494,208/77,684,406,954.38 - Step 6: Final answer
x = 59,878,410,044.74
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1.5x scale
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.