Finding the Fourth Proportional to 1,145,959,572.80, 1,718,937,213.68 and 359,073,465.48
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Solution
The fourth proportional to 1,145,959,572.80, 1,718,937,213.68 and 359,073,465.48 is: 538,609,525.95
Step by Step Solution
- Step 1: Write the proportion equation
1,145,959,572.80 : 1,718,937,213.68 = 359,073,465.48 : x - Step 2: Convert to fraction form
1,145,959,572.80/1,718,937,213.68 = 359,073,465.48/x - Step 3: Cross multiply
1,145,959,572.80x = 1,718,937,213.68 × 359,073,465.48 - Step 4: Simplify right side
1,145,959,572.80x = 617,224,742,258,612,864 - Step 5: Solve for x
x = 617,224,742,258,612,864/1,145,959,572.80 - Step 6: Final answer
x = 538,609,525.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.