Finding the Fourth Proportional to 646,829,801.60, 970,286,692.80 and 340,719,785.60
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Solution
The fourth proportional to 646,829,801.60, 970,286,692.80 and 340,719,785.60 is: 511,101,796.99
Step by Step Solution
- Step 1: Write the proportion equation
646,829,801.60 : 970,286,692.80 = 340,719,785.60 : x - Step 2: Convert to fraction form
646,829,801.60/970,286,692.80 = 340,719,785.60/x - Step 3: Cross multiply
646,829,801.60x = 970,286,692.80 × 340,719,785.60 - Step 4: Simplify right side
646,829,801.60x = 330,595,873,941,349,056 - Step 5: Solve for x
x = 330,595,873,941,349,056/646,829,801.60 - Step 6: Final answer
x = 511,101,796.99
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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.