Finding the Fourth Proportional to 773,428,708.32, 1,067,357,398.80 and 434,396,929.68
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Solution
The fourth proportional to 773,428,708.32, 1,067,357,398.80 and 434,396,929.68 is: 599,482,243.06
Step by Step Solution
- Step 1: Write the proportion equation
773,428,708.32 : 1,067,357,398.80 = 434,396,929.68 : x - Step 2: Convert to fraction form
773,428,708.32/1,067,357,398.80 = 434,396,929.68/x - Step 3: Cross multiply
773,428,708.32x = 1,067,357,398.80 × 434,396,929.68 - Step 4: Simplify right side
773,428,708.32x = 463,656,776,909,951,296 - Step 5: Solve for x
x = 463,656,776,909,951,296/773,428,708.32 - Step 6: Final answer
x = 599,482,243.06
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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.