Finding the Fourth Proportional to 527,285,727.16, 790,374,931.86 and 177,410,336.08
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Solution
The fourth proportional to 527,285,727.16, 790,374,931.86 and 177,410,336.08 is: 265,929,220.28
Step by Step Solution
- Step 1: Write the proportion equation
527,285,727.16 : 790,374,931.86 = 177,410,336.08 : x - Step 2: Convert to fraction form
527,285,727.16/790,374,931.86 = 177,410,336.08/x - Step 3: Cross multiply
527,285,727.16x = 790,374,931.86 × 177,410,336.08 - Step 4: Simplify right side
527,285,727.16x = 140,220,682,290,489,712 - Step 5: Solve for x
x = 140,220,682,290,489,712/527,285,727.16 - Step 6: Final answer
x = 265,929,220.28
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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.