Finding the Fourth Proportional to 870,846,698.24, 1,201,729,676.67 and 508,774,221.14
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Solution
The fourth proportional to 870,846,698.24, 1,201,729,676.67 and 508,774,221.14 is: 702,085,776.40
Step by Step Solution
- Step 1: Write the proportion equation
870,846,698.24 : 1,201,729,676.67 = 508,774,221.14 : x - Step 2: Convert to fraction form
870,846,698.24/1,201,729,676.67 = 508,774,221.14/x - Step 3: Cross multiply
870,846,698.24x = 1,201,729,676.67 × 508,774,221.14 - Step 4: Simplify right side
870,846,698.24x = 611,409,080,262,594,688 - Step 5: Solve for x
x = 611,409,080,262,594,688/870,846,698.24 - Step 6: Final answer
x = 702,085,776.40
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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.