Finding the Fourth Proportional to 77,684,406,959.39, 107,203,340,695.26 and 43,390,613,989.88
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Solution
The fourth proportional to 77,684,406,959.39, 107,203,340,695.26 and 43,390,613,989.88 is: 59,878,410,051.65
Step by Step Solution
- Step 1: Write the proportion equation
77,684,406,959.39 : 107,203,340,695.26 = 43,390,613,989.88 : x - Step 2: Convert to fraction form
77,684,406,959.39/107,203,340,695.26 = 43,390,613,989.88/x - Step 3: Cross multiply
77,684,406,959.39x = 107,203,340,695.26 × 43,390,613,989.88 - Step 4: Simplify right side
77,684,406,959.39x = 4,651,618,774,533,620,105,216 - Step 5: Solve for x
x = 4,651,618,774,533,620,105,216/77,684,406,959.39 - Step 6: Final answer
x = 59,878,410,051.65
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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.