Finding the Fourth Proportional to 5,156,818,049.41, 7,735,217,419.71 and 1,615,830,566.79
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Solution
The fourth proportional to 5,156,818,049.41, 7,735,217,419.71 and 1,615,830,566.79 is: 2,423,742,825.09
Step by Step Solution
- Step 1: Write the proportion equation
5,156,818,049.41 : 7,735,217,419.71 = 1,615,830,566.79 : x - Step 2: Convert to fraction form
5,156,818,049.41/7,735,217,419.71 = 1,615,830,566.79/x - Step 3: Cross multiply
5,156,818,049.41x = 7,735,217,419.71 × 1,615,830,566.79 - Step 4: Simplify right side
5,156,818,049.41x = 12,498,800,747,533,889,536 - Step 5: Solve for x
x = 12,498,800,747,533,889,536/5,156,818,049.41 - Step 6: Final answer
x = 2,423,742,825.09
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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.