Finding the Fourth Proportional to 611,997,875.06, 918,176,921.25 and 197,466,919.84
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Solution
The fourth proportional to 611,997,875.06, 918,176,921.25 and 197,466,919.84 is: 296,258,493.53
Step by Step Solution
- Step 1: Write the proportion equation
611,997,875.06 : 918,176,921.25 = 197,466,919.84 : x - Step 2: Convert to fraction form
611,997,875.06/918,176,921.25 = 197,466,919.84/x - Step 3: Cross multiply
611,997,875.06x = 918,176,921.25 × 197,466,919.84 - Step 4: Simplify right side
611,997,875.06x = 181,309,568,507,818,976 - Step 5: Solve for x
x = 181,309,568,507,818,976/611,997,875.06 - Step 6: Final answer
x = 296,258,493.53
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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.