Finding the Fourth Proportional to 1,993,235,827.20, 2,990,924,547.84 and 829,506,624
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Solution
The fourth proportional to 1,993,235,827.20, 2,990,924,547.84 and 829,506,624 is: 1,244,705,563.92
Step by Step Solution
- Step 1: Write the proportion equation
1,993,235,827.20 : 2,990,924,547.84 = 829,506,624 : x - Step 2: Convert to fraction form
1,993,235,827.20/2,990,924,547.84 = 829,506,624/x - Step 3: Cross multiply
1,993,235,827.20x = 2,990,924,547.84 × 829,506,624 - Step 4: Simplify right side
1,993,235,827.20x = 2,480,991,724,317,485,056 - Step 5: Solve for x
x = 2,480,991,724,317,485,056/1,993,235,827.20 - Step 6: Final answer
x = 1,244,705,563.92
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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.