Finding the Fourth Proportional to 432,410,746.93, 648,726,726.56 and 125,702,859.81
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Solution
The fourth proportional to 432,410,746.93, 648,726,726.56 and 125,702,859.81 is: 188,586,443.19
Step by Step Solution
- Step 1: Write the proportion equation
432,410,746.93 : 648,726,726.56 = 125,702,859.81 : x - Step 2: Convert to fraction form
432,410,746.93/648,726,726.56 = 125,702,859.81/x - Step 3: Cross multiply
432,410,746.93x = 648,726,726.56 × 125,702,859.81 - Step 4: Simplify right side
432,410,746.93x = 81,546,804,762,282,224 - Step 5: Solve for x
x = 81,546,804,762,282,224/432,410,746.93 - Step 6: Final answer
x = 188,586,443.19
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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.