Finding the Fourth Proportional to 736,799,668.95, 1,017,242,418.08 and 469,026,588.81
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Solution
The fourth proportional to 736,799,668.95, 1,017,242,418.08 and 469,026,588.81 is: 647,548,799.83
Step by Step Solution
- Step 1: Write the proportion equation
736,799,668.95 : 1,017,242,418.08 = 469,026,588.81 : x - Step 2: Convert to fraction form
736,799,668.95/1,017,242,418.08 = 469,026,588.81/x - Step 3: Cross multiply
736,799,668.95x = 1,017,242,418.08 × 469,026,588.81 - Step 4: Simplify right side
736,799,668.95x = 477,113,741,342,553,152 - Step 5: Solve for x
x = 477,113,741,342,553,152/736,799,668.95 - Step 6: Final answer
x = 647,548,799.83
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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.