Finding the Fourth Proportional to 995,671,248.40, 1,493,506,872.60 and 897,035,798.80
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Solution
The fourth proportional to 995,671,248.40, 1,493,506,872.60 and 897,035,798.80 is: 1,345,553,698.20
Step by Step Solution
- Step 1: Write the proportion equation
995,671,248.40 : 1,493,506,872.60 = 897,035,798.80 : x - Step 2: Convert to fraction form
995,671,248.40/1,493,506,872.60 = 897,035,798.80/x - Step 3: Cross multiply
995,671,248.40x = 1,493,506,872.60 × 897,035,798.80 - Step 4: Simplify right side
995,671,248.40x = 1,339,729,130,476,030,720 - Step 5: Solve for x
x = 1,339,729,130,476,030,720/995,671,248.40 - Step 6: Final answer
x = 1,345,553,698.20
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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.