Finding the Fourth Proportional to 875,806,618.14, 1,208,616,334.92 and 473,920,368.84
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Solution
The fourth proportional to 875,806,618.14, 1,208,616,334.92 and 473,920,368.84 is: 654,011,841.62
Step by Step Solution
- Step 1: Write the proportion equation
875,806,618.14 : 1,208,616,334.92 = 473,920,368.84 : x - Step 2: Convert to fraction form
875,806,618.14/1,208,616,334.92 = 473,920,368.84/x - Step 3: Cross multiply
875,806,618.14x = 1,208,616,334.92 × 473,920,368.84 - Step 4: Simplify right side
875,806,618.14x = 572,787,899,231,335,360 - Step 5: Solve for x
x = 572,787,899,231,335,360/875,806,618.14 - Step 6: Final answer
x = 654,011,841.62
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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.