Finding the Fourth Proportional to 970,325,617.20, 1,455,488,425.80 and 944,816,449.20
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Solution
The fourth proportional to 970,325,617.20, 1,455,488,425.80 and 944,816,449.20 is: 1,417,224,673.80
Step by Step Solution
- Step 1: Write the proportion equation
970,325,617.20 : 1,455,488,425.80 = 944,816,449.20 : x - Step 2: Convert to fraction form
970,325,617.20/1,455,488,425.80 = 944,816,449.20/x - Step 3: Cross multiply
970,325,617.20x = 1,455,488,425.80 × 944,816,449.20 - Step 4: Simplify right side
970,325,617.20x = 1,375,169,406,316,053,760 - Step 5: Solve for x
x = 1,375,169,406,316,053,760/970,325,617.20 - Step 6: Final answer
x = 1,417,224,673.80
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1.5x scale
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.