Finding the Fourth Proportional to 749,971,762.40, 1,034,947,184.84 and 415,436,944.63
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Solution
The fourth proportional to 749,971,762.40, 1,034,947,184.84 and 415,436,944.63 is: 573,295,313.08
Step by Step Solution
- Step 1: Write the proportion equation
749,971,762.40 : 1,034,947,184.84 = 415,436,944.63 : x - Step 2: Convert to fraction form
749,971,762.40/1,034,947,184.84 = 415,436,944.63/x - Step 3: Cross multiply
749,971,762.40x = 1,034,947,184.84 × 415,436,944.63 - Step 4: Simplify right side
749,971,762.40x = 429,955,296,323,349,440 - Step 5: Solve for x
x = 429,955,296,323,349,440/749,971,762.40 - Step 6: Final answer
x = 573,295,313.08
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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.