Finding the Fourth Proportional to 1,201,353,217.04, 1,657,010,967.72 and 1,102,552,449.68
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Solution
The fourth proportional to 1,201,353,217.04, 1,657,010,967.72 and 1,102,552,449.68 is: 1,520,736,346.06
Step by Step Solution
- Step 1: Write the proportion equation
1,201,353,217.04 : 1,657,010,967.72 = 1,102,552,449.68 : x - Step 2: Convert to fraction form
1,201,353,217.04/1,657,010,967.72 = 1,102,552,449.68/x - Step 3: Cross multiply
1,201,353,217.04x = 1,657,010,967.72 × 1,102,552,449.68 - Step 4: Simplify right side
1,201,353,217.04x = 1,826,941,501,606,313,472 - Step 5: Solve for x
x = 1,826,941,501,606,313,472/1,201,353,217.04 - Step 6: Final answer
x = 1,520,736,346.06
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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.