Finding the Fourth Proportional to 750,450,337.12, 1,035,621,564.80 and 415,944,432.32
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Solution
The fourth proportional to 750,450,337.12, 1,035,621,564.80 and 415,944,432.32 is: 574,003,371.79
Step by Step Solution
- Step 1: Write the proportion equation
750,450,337.12 : 1,035,621,564.80 = 415,944,432.32 : x - Step 2: Convert to fraction form
750,450,337.12/1,035,621,564.80 = 415,944,432.32/x - Step 3: Cross multiply
750,450,337.12x = 1,035,621,564.80 × 415,944,432.32 - Step 4: Simplify right side
750,450,337.12x = 430,761,023,869,086,080 - Step 5: Solve for x
x = 430,761,023,869,086,080/750,450,337.12 - Step 6: Final answer
x = 574,003,371.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.