Finding the Fourth Proportional to 1,180,210,627.65, 1,629,425,695.05 and 751,289,929.68
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Solution
The fourth proportional to 1,180,210,627.65, 1,629,425,695.05 and 751,289,929.68 is: 1,037,248,002.33
Step by Step Solution
- Step 1: Write the proportion equation
1,180,210,627.65 : 1,629,425,695.05 = 751,289,929.68 : x - Step 2: Convert to fraction form
1,180,210,627.65/1,629,425,695.05 = 751,289,929.68/x - Step 3: Cross multiply
1,180,210,627.65x = 1,629,425,695.05 × 751,289,929.68 - Step 4: Simplify right side
1,180,210,627.65x = 1,224,171,115,852,899,584 - Step 5: Solve for x
x = 1,224,171,115,852,899,584/1,180,210,627.65 - Step 6: Final answer
x = 1,037,248,002.33
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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.