Finding the Fourth Proportional to 875,806,540.19, 1,208,616,227.36 and 473,920,290.92
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Solution
The fourth proportional to 875,806,540.19, 1,208,616,227.36 and 473,920,290.92 is: 654,011,734.09
Step by Step Solution
- Step 1: Write the proportion equation
875,806,540.19 : 1,208,616,227.36 = 473,920,290.92 : x - Step 2: Convert to fraction form
875,806,540.19/1,208,616,227.36 = 473,920,290.92/x - Step 3: Cross multiply
875,806,540.19x = 1,208,616,227.36 × 473,920,290.92 - Step 4: Simplify right side
875,806,540.19x = 572,787,754,078,714,496 - Step 5: Solve for x
x = 572,787,754,078,714,496/875,806,540.19 - Step 6: Final answer
x = 654,011,734.09
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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.