Finding the Fourth Proportional to 2,970,290,803.97, 4,094,905,476.85 and 2,369,500,562.80
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Solution
The fourth proportional to 2,970,290,803.97, 4,094,905,476.85 and 2,369,500,562.80 is: 3,266,643,393.65
Step by Step Solution
- Step 1: Write the proportion equation
2,970,290,803.97 : 4,094,905,476.85 = 2,369,500,562.80 : x - Step 2: Convert to fraction form
2,970,290,803.97/4,094,905,476.85 = 2,369,500,562.80/x - Step 3: Cross multiply
2,970,290,803.97x = 4,094,905,476.85 × 2,369,500,562.80 - Step 4: Simplify right side
2,970,290,803.97x = 9,702,880,832,020,899,840 - Step 5: Solve for x
x = 9,702,880,832,020,899,840/2,970,290,803.97 - Step 6: Final answer
x = 3,266,643,393.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.