Finding the Fourth Proportional to 2,512,196,430.95, 3,768,703,980.64 and 741,746,117.98
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Solution
The fourth proportional to 2,512,196,430.95, 3,768,703,980.64 and 741,746,117.98 is: 1,112,740,036.18
Step by Step Solution
- Step 1: Write the proportion equation
2,512,196,430.95 : 3,768,703,980.64 = 741,746,117.98 : x - Step 2: Convert to fraction form
2,512,196,430.95/3,768,703,980.64 = 741,746,117.98/x - Step 3: Cross multiply
2,512,196,430.95x = 3,768,703,980.64 × 741,746,117.98 - Step 4: Simplify right side
2,512,196,430.95x = 2,795,421,547,458,349,568 - Step 5: Solve for x
x = 2,795,421,547,458,349,568/2,512,196,430.95 - Step 6: Final answer
x = 1,112,740,036.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.