Finding the Fourth Proportional to 527,285,726.16, 790,374,930.36 and 177,410,335.08
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Solution
The fourth proportional to 527,285,726.16, 790,374,930.36 and 177,410,335.08 is: 265,929,218.78
Step by Step Solution
- Step 1: Write the proportion equation
527,285,726.16 : 790,374,930.36 = 177,410,335.08 : x - Step 2: Convert to fraction form
527,285,726.16/790,374,930.36 = 177,410,335.08/x - Step 3: Cross multiply
527,285,726.16x = 790,374,930.36 × 177,410,335.08 - Step 4: Simplify right side
527,285,726.16x = 140,220,681,233,999,280 - Step 5: Solve for x
x = 140,220,681,233,999,280/527,285,726.16 - Step 6: Final answer
x = 265,929,218.78
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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.