Finding the Fourth Proportional to 1,358,102,517.20, 2,036,319,505.60 and 528,088,663.12
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Solution
The fourth proportional to 1,358,102,517.20, 2,036,319,505.60 and 528,088,663.12 is: 791,808,594.55
Step by Step Solution
- Step 1: Write the proportion equation
1,358,102,517.20 : 2,036,319,505.60 = 528,088,663.12 : x - Step 2: Convert to fraction form
1,358,102,517.20/2,036,319,505.60 = 528,088,663.12/x - Step 3: Cross multiply
1,358,102,517.20x = 2,036,319,505.60 × 528,088,663.12 - Step 4: Simplify right side
1,358,102,517.20x = 1,075,357,245,397,483,264 - Step 5: Solve for x
x = 1,075,357,245,397,483,264/1,358,102,517.20 - Step 6: Final answer
x = 791,808,594.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.