Finding the Fourth Proportional to 472,568,101.70, 652,154,419.74 and 260,874,430.91
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Solution
The fourth proportional to 472,568,101.70, 652,154,419.74 and 260,874,430.91 is: 360,012,477.57
Step by Step Solution
- Step 1: Write the proportion equation
472,568,101.70 : 652,154,419.74 = 260,874,430.91 : x - Step 2: Convert to fraction form
472,568,101.70/652,154,419.74 = 260,874,430.91/x - Step 3: Cross multiply
472,568,101.70x = 652,154,419.74 × 260,874,430.91 - Step 4: Simplify right side
472,568,101.70x = 170,130,413,115,113,760 - Step 5: Solve for x
x = 170,130,413,115,113,760/472,568,101.70 - Step 6: Final answer
x = 360,012,477.57
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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.