Finding the Fourth Proportional to 750,091,154.40, 1,125,136,731.60 and 708,001,027.20
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Solution
The fourth proportional to 750,091,154.40, 1,125,136,731.60 and 708,001,027.20 is: 1,062,001,540.80
Step by Step Solution
- Step 1: Write the proportion equation
750,091,154.40 : 1,125,136,731.60 = 708,001,027.20 : x - Step 2: Convert to fraction form
750,091,154.40/1,125,136,731.60 = 708,001,027.20/x - Step 3: Cross multiply
750,091,154.40x = 1,125,136,731.60 × 708,001,027.20 - Step 4: Simplify right side
750,091,154.40x = 796,597,961,713,250,688 - Step 5: Solve for x
x = 796,597,961,713,250,688/750,091,154.40 - Step 6: Final answer
x = 1,062,001,540.80
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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.