Finding the Fourth Proportional to 875,301,116.10, 1,207,911,928.96 and 473,415,313.38
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Solution
The fourth proportional to 875,301,116.10, 1,207,911,928.96 and 473,415,313.38 is: 653,311,179.28
Step by Step Solution
- Step 1: Write the proportion equation
875,301,116.10 : 1,207,911,928.96 = 473,415,313.38 : x - Step 2: Convert to fraction form
875,301,116.10/1,207,911,928.96 = 473,415,313.38/x - Step 3: Cross multiply
875,301,116.10x = 1,207,911,928.96 × 473,415,313.38 - Step 4: Simplify right side
875,301,116.10x = 571,844,004,384,038,720 - Step 5: Solve for x
x = 571,844,004,384,038,720/875,301,116.10 - Step 6: Final answer
x = 653,311,179.28
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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.