Finding the Fourth Proportional to 790,586,869.96, 1,090,373,726.84 and 695,013,027.64
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Solution
The fourth proportional to 790,586,869.96, 1,090,373,726.84 and 695,013,027.64 is: 958,558,728.90
Step by Step Solution
- Step 1: Write the proportion equation
790,586,869.96 : 1,090,373,726.84 = 695,013,027.64 : x - Step 2: Convert to fraction form
790,586,869.96/1,090,373,726.84 = 695,013,027.64/x - Step 3: Cross multiply
790,586,869.96x = 1,090,373,726.84 × 695,013,027.64 - Step 4: Simplify right side
790,586,869.96x = 757,823,945,150,178,688 - Step 5: Solve for x
x = 757,823,945,150,178,688/790,586,869.96 - Step 6: Final answer
x = 958,558,728.90
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1.5x scale
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.