Finding the Fourth Proportional to 542,462,009.24, 748,592,311.49 and 294,943,363.49
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Solution
The fourth proportional to 542,462,009.24, 748,592,311.49 and 294,943,363.49 is: 407,018,981.00
Step by Step Solution
- Step 1: Write the proportion equation
542,462,009.24 : 748,592,311.49 = 294,943,363.49 : x - Step 2: Convert to fraction form
542,462,009.24/748,592,311.49 = 294,943,363.49/x - Step 3: Cross multiply
542,462,009.24x = 748,592,311.49 × 294,943,363.49 - Step 4: Simplify right side
542,462,009.24x = 220,792,334,235,126,048 - Step 5: Solve for x
x = 220,792,334,235,126,048/542,462,009.24 - Step 6: Final answer
x = 407,018,981.00
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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.