Finding the Fourth Proportional to 3,115,134,184,242.20, 4,298,910,415,202.80 and 1,726,238,499,688
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Solution
The fourth proportional to 3,115,134,184,242.20, 4,298,910,415,202.80 and 1,726,238,499,688 is: 2,382,223,116,734.87
Step by Step Solution
- Step 1: Write the proportion equation
3,115,134,184,242.20 : 4,298,910,415,202.80 = 1,726,238,499,688 : x - Step 2: Convert to fraction form
3,115,134,184,242.20/4,298,910,415,202.80 = 1,726,238,499,688/x - Step 3: Cross multiply
3,115,134,184,242.20x = 4,298,910,415,202.80 × 1,726,238,499,688 - Step 4: Simplify right side
3,115,134,184,242.20x = 7,420,944,665,432,798,789,632,000 - Step 5: Solve for x
x = 7,420,944,665,432,798,789,632,000/3,115,134,184,242.20 - Step 6: Final answer
x = 2,382,223,116,734.87
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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.