Finding the Fourth Proportional to 926,020,894.26, 1,277,875,769.90 and 524,126,014.19
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Solution
The fourth proportional to 926,020,894.26, 1,277,875,769.90 and 524,126,014.19 is: 723,275,185.33
Step by Step Solution
- Step 1: Write the proportion equation
926,020,894.26 : 1,277,875,769.90 = 524,126,014.19 : x - Step 2: Convert to fraction form
926,020,894.26/1,277,875,769.90 = 524,126,014.19/x - Step 3: Cross multiply
926,020,894.26x = 1,277,875,769.90 × 524,126,014.19 - Step 4: Simplify right side
926,020,894.26x = 669,767,933,909,805,440 - Step 5: Solve for x
x = 669,767,933,909,805,440/926,020,894.26 - Step 6: Final answer
x = 723,275,185.33
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1.5x scale
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.