Finding the Fourth Proportional to 832,035,695.10, 1,248,053,542.65 and 402,053,999.10
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Solution
The fourth proportional to 832,035,695.10, 1,248,053,542.65 and 402,053,999.10 is: 603,080,998.65
Step by Step Solution
- Step 1: Write the proportion equation
832,035,695.10 : 1,248,053,542.65 = 402,053,999.10 : x - Step 2: Convert to fraction form
832,035,695.10/1,248,053,542.65 = 402,053,999.10/x - Step 3: Cross multiply
832,035,695.10x = 1,248,053,542.65 × 402,053,999.10 - Step 4: Simplify right side
832,035,695.10x = 501,784,917,913,355,008 - Step 5: Solve for x
x = 501,784,917,913,355,008/832,035,695.10 - Step 6: Final answer
x = 603,080,998.65
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Double scale
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Similar ratio
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1.5x scale
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.