Finding the Fourth Proportional to 463,615,468.80, 695,423,203.20 and 456,449,107.20
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Solution
The fourth proportional to 463,615,468.80, 695,423,203.20 and 456,449,107.20 is: 684,673,660.80
Step by Step Solution
- Step 1: Write the proportion equation
463,615,468.80 : 695,423,203.20 = 456,449,107.20 : x - Step 2: Convert to fraction form
463,615,468.80/695,423,203.20 = 456,449,107.20/x - Step 3: Cross multiply
463,615,468.80x = 695,423,203.20 × 456,449,107.20 - Step 4: Simplify right side
463,615,468.80x = 317,425,300,226,804,224 - Step 5: Solve for x
x = 317,425,300,226,804,224/463,615,468.80 - Step 6: Final answer
x = 684,673,660.80
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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.