Finding the Fourth Proportional to 944,788,897.80, 1,417,183,346.70 and 875,914,144.20
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Solution
The fourth proportional to 944,788,897.80, 1,417,183,346.70 and 875,914,144.20 is: 1,313,871,216.30
Step by Step Solution
- Step 1: Write the proportion equation
944,788,897.80 : 1,417,183,346.70 = 875,914,144.20 : x - Step 2: Convert to fraction form
944,788,897.80/1,417,183,346.70 = 875,914,144.20/x - Step 3: Cross multiply
944,788,897.80x = 1,417,183,346.70 × 875,914,144.20 - Step 4: Simplify right side
944,788,897.80x = 1,241,330,938,299,222,528 - Step 5: Solve for x
x = 1,241,330,938,299,222,528/944,788,897.80 - Step 6: Final answer
x = 1,313,871,216.30
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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.