Finding the Fourth Proportional to 571,630,802.06, 857,497,351.36 and 221,868,670.26
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Solution
The fourth proportional to 571,630,802.06, 857,497,351.36 and 221,868,670.26 is: 332,822,857.71
Step by Step Solution
- Step 1: Write the proportion equation
571,630,802.06 : 857,497,351.36 = 221,868,670.26 : x - Step 2: Convert to fraction form
571,630,802.06/857,497,351.36 = 221,868,670.26/x - Step 3: Cross multiply
571,630,802.06x = 857,497,351.36 × 221,868,670.26 - Step 4: Simplify right side
571,630,802.06x = 190,251,797,097,715,200 - Step 5: Solve for x
x = 190,251,797,097,715,200/571,630,802.06 - Step 6: Final answer
x = 332,822,857.71
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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.