Finding the Fourth Proportional to 804,026,838.32, 1,109,590,394.79 and 446,793,281.09
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Solution
The fourth proportional to 804,026,838.32, 1,109,590,394.79 and 446,793,281.09 is: 616,593,264.71
Step by Step Solution
- Step 1: Write the proportion equation
804,026,838.32 : 1,109,590,394.79 = 446,793,281.09 : x - Step 2: Convert to fraction form
804,026,838.32/1,109,590,394.79 = 446,793,281.09/x - Step 3: Cross multiply
804,026,838.32x = 1,109,590,394.79 × 446,793,281.09 - Step 4: Simplify right side
804,026,838.32x = 495,757,533,154,172,480 - Step 5: Solve for x
x = 495,757,533,154,172,480/804,026,838.32 - Step 6: Final answer
x = 616,593,264.71
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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.