Finding the Fourth Proportional to 875,300,956.67, 1,207,911,708.98 and 473,415,154.17
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Solution
The fourth proportional to 875,300,956.67, 1,207,911,708.98 and 473,415,154.17 is: 653,310,959.59
Step by Step Solution
- Step 1: Write the proportion equation
875,300,956.67 : 1,207,911,708.98 = 473,415,154.17 : x - Step 2: Convert to fraction form
875,300,956.67/1,207,911,708.98 = 473,415,154.17/x - Step 3: Cross multiply
875,300,956.67x = 1,207,911,708.98 × 473,415,154.17 - Step 4: Simplify right side
875,300,956.67x = 571,843,707,930,514,880 - Step 5: Solve for x
x = 571,843,707,930,514,880/875,300,956.67 - Step 6: Final answer
x = 653,310,959.59
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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.