Finding the Fourth Proportional to 2,948,706,285.36, 4,423,075,962.18 and 983,553,968.84
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Solution
The fourth proportional to 2,948,706,285.36, 4,423,075,962.18 and 983,553,968.84 is: 1,475,336,468.30
Step by Step Solution
- Step 1: Write the proportion equation
2,948,706,285.36 : 4,423,075,962.18 = 983,553,968.84 : x - Step 2: Convert to fraction form
2,948,706,285.36/4,423,075,962.18 = 983,553,968.84/x - Step 3: Cross multiply
2,948,706,285.36x = 4,423,075,962.18 × 983,553,968.84 - Step 4: Simplify right side
2,948,706,285.36x = 4,350,333,917,082,941,440 - Step 5: Solve for x
x = 4,350,333,917,082,941,440/2,948,706,285.36 - Step 6: Final answer
x = 1,475,336,468.30
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1.5x scale
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.