Finding the Fourth Proportional to 463,842,182.58, 640,115,460.18 and 282,799,612.80
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Solution
The fourth proportional to 463,842,182.58, 640,115,460.18 and 282,799,612.80 is: 390,271,542.96
Step by Step Solution
- Step 1: Write the proportion equation
463,842,182.58 : 640,115,460.18 = 282,799,612.80 : x - Step 2: Convert to fraction form
463,842,182.58/640,115,460.18 = 282,799,612.80/x - Step 3: Cross multiply
463,842,182.58x = 640,115,460.18 × 282,799,612.80 - Step 4: Simplify right side
463,842,182.58x = 181,024,404,286,197,824 - Step 5: Solve for x
x = 181,024,404,286,197,824/463,842,182.58 - Step 6: Final answer
x = 390,271,542.96
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.