Finding the Fourth Proportional to 4,031,409,867.84, 5,563,345,572 and 2,177,113,803.84
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Solution
The fourth proportional to 4,031,409,867.84, 5,563,345,572 and 2,177,113,803.84 is: 3,004,417,024.66
Step by Step Solution
- Step 1: Write the proportion equation
4,031,409,867.84 : 5,563,345,572 = 2,177,113,803.84 : x - Step 2: Convert to fraction form
4,031,409,867.84/5,563,345,572 = 2,177,113,803.84/x - Step 3: Cross multiply
4,031,409,867.84x = 5,563,345,572 × 2,177,113,803.84 - Step 4: Simplify right side
4,031,409,867.84x = 12,112,036,440,333,340,672 - Step 5: Solve for x
x = 12,112,036,440,333,340,672/4,031,409,867.84 - Step 6: Final answer
x = 3,004,417,024.66
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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.