Finding the Fourth Proportional to 785,393,482.80, 1,178,090,224.20 and 773,914,357.20
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Solution
The fourth proportional to 785,393,482.80, 1,178,090,224.20 and 773,914,357.20 is: 1,160,871,535.80
Step by Step Solution
- Step 1: Write the proportion equation
785,393,482.80 : 1,178,090,224.20 = 773,914,357.20 : x - Step 2: Convert to fraction form
785,393,482.80/1,178,090,224.20 = 773,914,357.20/x - Step 3: Cross multiply
785,393,482.80x = 1,178,090,224.20 × 773,914,357.20 - Step 4: Simplify right side
785,393,482.80x = 911,740,938,585,346,944 - Step 5: Solve for x
x = 911,740,938,585,346,944/785,393,482.80 - Step 6: Final answer
x = 1,160,871,535.80
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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.