Finding the Fourth Proportional to 896,842,059.36, 1,237,678,769.58 and 566,696,738.40
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Solution
The fourth proportional to 896,842,059.36, 1,237,678,769.58 and 566,696,738.40 is: 782,064,706.48
Step by Step Solution
- Step 1: Write the proportion equation
896,842,059.36 : 1,237,678,769.58 = 566,696,738.40 : x - Step 2: Convert to fraction form
896,842,059.36/1,237,678,769.58 = 566,696,738.40/x - Step 3: Cross multiply
896,842,059.36x = 1,237,678,769.58 × 566,696,738.40 - Step 4: Simplify right side
896,842,059.36x = 701,388,521,907,911,040 - Step 5: Solve for x
x = 701,388,521,907,911,040/896,842,059.36 - Step 6: Final answer
x = 782,064,706.48
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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.