Finding the Fourth Proportional to 1,239,502,875,582.10, 1,710,519,134,851.40 and 683,295,783,467.40
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Solution
The fourth proportional to 1,239,502,875,582.10, 1,710,519,134,851.40 and 683,295,783,467.40 is: 942,951,029,327.28
Step by Step Solution
- Step 1: Write the proportion equation
1,239,502,875,582.10 : 1,710,519,134,851.40 = 683,295,783,467.40 : x - Step 2: Convert to fraction form
1,239,502,875,582.10/1,710,519,134,851.40 = 683,295,783,467.40/x - Step 3: Cross multiply
1,239,502,875,582.10x = 1,710,519,134,851.40 × 683,295,783,467.40 - Step 4: Simplify right side
1,239,502,875,582.10x = 1,168,790,512,384,266,603,593,728 - Step 5: Solve for x
x = 1,168,790,512,384,266,603,593,728/1,239,502,875,582.10 - Step 6: Final answer
x = 942,951,029,327.28
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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.