Finding the Fourth Proportional to 2,278,051,363.02, 3,143,687,719.61 and 1,260,778,774.44
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Solution
The fourth proportional to 2,278,051,363.02, 3,143,687,719.61 and 1,260,778,774.44 is: 1,739,861,890.16
Step by Step Solution
- Step 1: Write the proportion equation
2,278,051,363.02 : 3,143,687,719.61 = 1,260,778,774.44 : x - Step 2: Convert to fraction form
2,278,051,363.02/3,143,687,719.61 = 1,260,778,774.44/x - Step 3: Cross multiply
2,278,051,363.02x = 3,143,687,719.61 × 1,260,778,774.44 - Step 4: Simplify right side
2,278,051,363.02x = 3,963,494,750,349,153,792 - Step 5: Solve for x
x = 3,963,494,750,349,153,792/2,278,051,363.02 - Step 6: Final answer
x = 1,739,861,890.16
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1.5x scale
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.