Finding the Fourth Proportional to 1,624,844,734.40, 2,435,566,029.48 and 679,984,174.12
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Solution
The fourth proportional to 1,624,844,734.40, 2,435,566,029.48 and 679,984,174.12 is: 1,019,264,376.47
Step by Step Solution
- Step 1: Write the proportion equation
1,624,844,734.40 : 2,435,566,029.48 = 679,984,174.12 : x - Step 2: Convert to fraction form
1,624,844,734.40/2,435,566,029.48 = 679,984,174.12/x - Step 3: Cross multiply
1,624,844,734.40x = 2,435,566,029.48 × 679,984,174.12 - Step 4: Simplify right side
1,624,844,734.40x = 1,656,146,355,070,685,440 - Step 5: Solve for x
x = 1,656,146,355,070,685,440/1,624,844,734.40 - Step 6: Final answer
x = 1,019,264,376.47
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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.