Finding the Fourth Proportional to 438,185,727.36, 604,715,199.36 and 242,615,456.64
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Solution
The fourth proportional to 438,185,727.36, 604,715,199.36 and 242,615,456.64 is: 334,819,792.31
Step by Step Solution
- Step 1: Write the proportion equation
438,185,727.36 : 604,715,199.36 = 242,615,456.64 : x - Step 2: Convert to fraction form
438,185,727.36/604,715,199.36 = 242,615,456.64/x - Step 3: Cross multiply
438,185,727.36x = 604,715,199.36 × 242,615,456.64 - Step 4: Simplify right side
438,185,727.36x = 146,713,254,229,875,040 - Step 5: Solve for x
x = 146,713,254,229,875,040/438,185,727.36 - Step 6: Final answer
x = 334,819,792.31
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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.