Finding the Fourth Proportional to 926,615,399.12, 1,278,418,140.84 and 524,674,226
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Solution
The fourth proportional to 926,615,399.12, 1,278,418,140.84 and 524,674,226 is: 723,874,273.17
Step by Step Solution
- Step 1: Write the proportion equation
926,615,399.12 : 1,278,418,140.84 = 524,674,226 : x - Step 2: Convert to fraction form
926,615,399.12/1,278,418,140.84 = 524,674,226/x - Step 3: Cross multiply
926,615,399.12x = 1,278,418,140.84 × 524,674,226 - Step 4: Simplify right side
926,615,399.12x = 670,753,048,549,585,920 - Step 5: Solve for x
x = 670,753,048,549,585,920/926,615,399.12 - Step 6: Final answer
x = 723,874,273.17
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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.